Search Results — 2000 specimen records retrieved (1880 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET13289891 Image available Abies concolor S. R. Hill, Kramer, K. 2001-1 33472 Riverside San Jacinto Wilderness, west of Palm Springs, trails at terminus of Palm Springs Aerial Tramway Comment
  UCSB14  Abies concolor Tribbey, Bert 1960-5-14 Riverside Black Mountain; San Jacinto Range 2133 Comment
  CAS-BOT-BC229311  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC229360  Abronia villosa Ira L. Wiggins 1937-3-9 8769 Riverside North of Indio Comment
  UCR234277  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40025 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. Comment
  UCR120971  Acacia greggii Jennie Phui 1998-6-3 301 Riverside Western Colorado Desert/San Jacinto Mtns., NW of Palm Springs, base of Mt. San Jacinto in Chino Cyn., 1.5 mi. above Hwy 111 on road to tram 520 Comment
  UCR35039  Acacia greggii L. B. Ziegler 1967-8-23 211 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  RSA0055055  Acacia greggii Nancy Anderson 1955-5-22 s.n. Riverside Palm Springs 138 Comment
  RSA87019  Acacia greggii var. arizonica F. W. Peirson 1921-4-11 4066 Riverside Murray Canyon. Palm Springs region. Comment
  CAS-BOT-BC177005  Acacia redolens A. C. Sanders; T. B. Salvato 2011-3-30 38895 Riverside Peninsular Range: city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  RSA696775  Acamptopappus sphaerocephalus W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  RSA730112  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UCR91004  Acer negundo A. C. Sanders 1996-4-24 18086 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  CAS-BOT-BC20352  Achillea millefolium Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA673498  Achnatherum coronatum Scott D. White, Sandy Leatherman 2000-4-19 7664 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  JOTR31224  Achnatherum hymenoides La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2008 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  UC69342  Achnatherum speciosum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1896 Riverside Coyote Canyon Santa Rosa Mt. 1676 Comment
  CAS-BOT-BC30408  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon, flats at SE end of Alberhill Mountain Comment
  JEPS51455  Achyronychia cooperi W. L. Jepson 1927-4-12 11666 Riverside Painted Canyon Mecca Hills 76 Comment
  POM14011  Achyronychia cooperi P. A. Munz, D. D. Keck 1922-4-13 4937 Riverside Desert Center; Chuckwalla Valley Comment
  SFV4435  Achyronychia cooperi D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  SFV7928  Achyronychia cooperi T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1291 Riverside Mojave Desert Southern Mojave Desert, Cadiz Valley. Along Highway 62, about 1.5 miles west of Parker Dam Highway. 305 Comment
  UCSB23492  Achyronychia cooperi Keefe, Joseph 1967-1-2 Riverside Campground; Salton Beach Park; northeast end of Salton Sea; southeast of Mecca -36 Comment
  CAS-BOT-BC204874  Acmispon argyraeus var. argyraeus H. M. Hall 1897-8-1 s.n. Riverside Sta [Santa] Rosa Mt 25 m. S. of Palm Springs Comment
  CHSC109018  Acmispon glaber var. brevialatus Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4697 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) between N33.97538, W116.65161 and N33.97568, W116.65119. 600 Comment
  JOTR34268  Acmispon strigosus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3284 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  OBI18908  Acmispon strigosus David J. Keil, Malcolm McLeod 1979-3-18 12969 Riverside Alberthill jctn alond Hwy 71 366 Comment
  SD181710  Acroptilon repens Scott D. White 2000-5-5 7770 Riverside Murrieta: Vacant lot on north corner at intersection of Jefferson Ave. and Murrieta Hot Springs Road. 323 Comment
  JOTR33127  Adenophyllum porophylloides La Doux, Tasha, Mike Bell 2003-10-17 1124 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  RSA735240  Adenophyllum porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11212 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA650373  Adenostoma fasciculatum var. fasciculatum Jim M. Morrow 1959-5-24 s.n. Riverside Edge of Ortega Hwy, near Elsinore, Cleveland Nat. Forest. 457 Comment
  JEPS44821 Image available Adenostoma sparsifolium W. L. Jepson 1903-8-6 2284 Riverside San Jacinto Mt., Chalk Hill 1371 Comment
  SBBG70868  Adenostoma sparsifolium R. C. and J. R. Robbins 1923-2-15 Riverside Pinyon Flat, Palms-Pines Rd Comment
  RSA0034426  Adenostoma sparsifolium Louis C. Wheeler 1931-10-4 175 Riverside Hemet-Idyllwild Road 1372 Comment
  UCR89841  Agoseris grandiflora Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3298 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  SEINET10509773  Agropyron subsecundum David B. Dunn 1946-8-17 Dunn 2677 Riverside Grass near stream at camp in taquitz valley, damp meadow area. San jacinto mts. 2438 Comment
  POM259177  Agrostis exarata P. A. Munz 1928-8-13 15323 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  SD28105  Agrostis idahoensis Carl B. Wolf 1932-8-5 3963 Riverside San Jacinto Mountains, first real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak. Head of fork of Tahquitz Creek. 2743 Comment
  UC183444  Alhagi pseudalhagi F. M. Turner 1915-7-19 Riverside Mecca; Colorado Desert, Mecca Comment
Read comments
Aug 6 2013
  RSA0123090  Aliciella latifolia Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8974 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA411802  Allenrolfea occidentalis H. de Forest 1924-4-14 s.n. Riverside Indio- Mecca flats Comment
  UC164841  Allenrolfea occidentalis S. B. Parish 1917-7-3 8071 Riverside Salton Bridge near Durmid; Salton Sea Comment
  RSA763408  Allium cratericola Justin M. Wood 2009-5-11 694 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA675055  Allium haematochiton Scott D. White 2001-5-1 8438 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  SEINET12048030  Allium haematochiton R. F. Thorne, Lathrop, E. 1975-1 45560 Riverside Santa Rosa Plateau, Rancho California, Mesa de Burro 610 Comment
  RSA190622  Allium lacunosum var. davisiae L. B. Ziegler 1967-6-25 s.n. Riverside Kenworthy Ranger Station, south end of San Jacinto Mountains. 1616 Comment
  UCR193130  Allium lacunosum var. davisiae A. C. Sanders, Tim Thomas 2008-6-20 35532 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CAS-BOT-BC472711  Allium lacunosum var. lacunosum W. L. Jepson; H. M. Hall 1901-5-17 1858 Riverside Riverside to Santa Rosa Peak and Palomar, East base San Jacinto Mt 1280 Comment
  UCR120193  Allium praecox Mitch Provance 1998-3-7 149 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  RSA770792  Alnus rhombifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4533 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR20916  Alopecurus aequalis A. C. Sanders 1978-7-5 863 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  UCR220339  Alopecurus saccatus D. E. Bramlet 1991-5-7 2127 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR80284  Alopecurus saccatus F. W. Peirson, P. A. Munz 1922-5-19 s.n. Riverside Menifee Valley 457 Comment
  RSA736738  Amaranthus albus Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10682 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  SBBG94678  Amaranthus albus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi. (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd; T8S, R 3W, on line between S 22 and 27 374 Comment
  UCR110377  Amaranthus retroflexus A. C. Sanders, Mitch Provance 1999-9-26 23116 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  SD67913  Amauriopsis dissecta Reid Moran 1968-8-3 15362 Riverside Ridge, 1 mile northwest of Toro Peak. 2250 Comment
  OBI17114  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  UCR176699  Ambrosia acanthicarpa R. D. Goeden 1966-10-27 s.n. Riverside Riverside, UCR Campus 366 Comment
  UCSB7140  Ambrosia acanthicarpa Ballard 1954-10-30 Riverside 3 miles south of Men's Reform School, (Chino Institute), Chino 198 Comment
  UCD128687  Ambrosia confertiflora A. C. Sanders; P. MacKay, S. White and M. Bagley 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  CAS-BOT-BC22607  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -334 Riverside Joshua Tree National Monument: about 6 mi S of Entrance to Cottonwood Springs Campground Comment
  RSA416969  Ambrosia dumosa M. B. Dunkle 1932-3-25 2900 Riverside Cathedral Canyon Comment
  RSA760788  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 109 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA774505  Ambrosia dumosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4428 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
Read comments
May 26 2013
  RSA792580  Ambrosia dumosa Aaron C. Sedgwick, Joella Simons Adkins 2012-11-8 161 Riverside Chuckwalla Valley - On DuPont Rd. The population is generally limited to within 30 ft. of the road. The population is scattered, but continues for several miles from the intersection with Chuckwalla Valley Rd. 168 Comment
  LA202941  Ambrosia ilicifolia Martha Hilend; 1932-3-26 sn Riverside Chuckawalla Mountains, about 3 mi. above Corn Springs Comment
  RSA550199  Ambrosia ilicifolia Walter Wisura, J. Romero, M. Husar 1992-4-23 4706 Riverside Low Desert: Corn Spring, N base of Chuckwalla Mts. Comment
  UC576463  Ambrosia salsola Edith A. Purer 1935-4-19 6360 Riverside along old stage route, Colorado Desert Colorado Desert Comment
  SBBG87792  Ambrosia salsola var. salsola A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6023 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  UC1069640  Ambrosia salsola var. salsola H. S. Yates 1936-4-7 5415 Riverside Palm Springs San Jacinto Quadrangle Comment
  UC480978  Ambrosia salsola var. salsola unknown May 1 1906-May 10 1906 Riverside desert at Palm Springs; Colorado Desert Comment
Read comments
Apr 17 2011
  UC912204  Ambrosia salsola var. salsola Herbert L. Mason 1928-3-10 4220 Riverside Hidden Springs Canyon Coachella Mountains Comment
  POM223449  Amelanchier utahensis Mary F. Spencer 1922-6-7 s.n. Riverside Mt. Tahquitz Comment
  SD72239  Amelanchier utahensis Russell S. Woglum 1937-5-22 579 Riverside Near Santa Rosa Indian Reservation, Santa Rosa Mts., Palms to Pines State Hwy. 74 Comment
  UCR211700  Ammannia robusta Fred M. Roberts, Michelle Balk 2006-8-24 6404 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  RSA0089633  Amsinckia intermedia Scott D. White 2001-4-19 8385 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  SBBG87472  Amsinckia intermedia A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6085 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckwalla Mtns 487 Comment
  UC1605425  Amsinckia intermedia Steve Boyd 1986-4-2 1618 Riverside Gavilan Plateau; Gavilan Hills, Garford Springs County Park 609 Comment
  UCR214116  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37720 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR274306  Amsinckia intermedia T. B. Salvato, Melissa Clemons 2005-6-6 1427 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR91472  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  SBBG120832  Amsinckia menziesii var. menziesii A. C. Sanders 2006-5-11 32260 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel S of intersection on Collier Ave and Riverside Dr, NE of Alberhill Crk, NW of Enterprise Way 389 Comment
  UCR158339  Amsinckia retrorsa A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30055 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR214892  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37683 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  CSUSB995  Amsinckia tessellata Pam Maynard 1974-4-25 S. N. Riverside Box Springs mountians-- crevass at East end of Big Springs road 670 Comment
  UCR117215  Amsinckia tessellata B. G. Pitzer 2000-4-20 4122 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  RSA465157  Anagallis arvensis E. Crow 1929-3-17 200 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CAS-BOT-BC392002  Anemone tuberosa Louis C. Wheeler 1953-3-31 7042 Riverside Riverside Mountains: Near Mountaineer Mine Comment
  UCR180054  Anemopsis californica Mitch Provance 2005-5-18 9801 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR208065  Anemopsis californica Michael Wall 2000-7-16 145 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto Valley: South side of Ramona Expressway, 0.5 mi. E of Sanderson Ave. in swale along agricultural field fence 457 Comment
  JOTR34470  Anisocoma acaulis Andre, Jim 2012-4-16 20955 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  JOTR35463  Anisocoma acaulis Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  POM354844  Antirrhinum coulterianum N. C. Cooper 1944-6-17 2007 Riverside San Jacinto Mountains: above Banning 1372 Comment
  UC668389  Antirrhinum coulterianum Annie M. Alexander and Louise Kellogg 1941-4-24 2086 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  UCR116925  Antirrhinum coulterianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24220 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  VVC474  Antirrhinum coulterianum A. C. Sanders, J. Mac 1997-5-4 20681 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  JEPS83316  Antirrhinum filipes David M. Thompson 1983-4-11 260 Riverside S of Morongo Valley (San Bernardino County) NE corner of the intersection of Indian Avenue and Worsley Road near Hwy. 62. Morongo Valley Quad. (15', 1955) 487 Comment
  RSA496455  Antirrhinum kelloggii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3070 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  SDSU13330  Antirrhinum kelloggii Tom Duffy, Tarja Sagar 2000-4-29 Riverside Two hundred meters NE of Stanta Margrita Ecological Reserve North End. 320 Comment
  UC1929663  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-17 9546 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  POM29606  Antirrhinum nuttallianum subsp. nuttallianum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA554279  Antirrhinum nuttallianum subsp. nuttallianum Scott D. White 1992-2-25 92 -2 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA673553  Apiastrum angustifolium Scott D. White, Tasha La Doux 2000-4-20 7683 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR158514  Apiastrum angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30021 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR250311  Apiastrum angustifolium A. C. Sanders 2014-4-8 40976 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  SEINET3080987 Image available Apium graveolens Michael DeJong 1971-5-2 Riverside Found between West end of lake in Fairmont Park and the Santa Ana River bottom Comment
  RSA161138  Aquilegia formosa Peter H. Raven, Richard Snow 1957-7-26 11111 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  RSA762734  Aquilegia formosa Patrick Garrett 2010-8-14 82 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC488838  Aquilegia formosa C. V. Meyer June 1927 181 Riverside San Jacinto Mtns Comment
  UCR20114  Arabis johnstonii Jeanine Derby 1977-1 s.n. Riverside San Jacinto Mtns., Garner Valley. S exposure on E end of Quinn Flats Comment
  RSA482603  Arabis perennans E. C. Jaeger 1922-4-22 733 Riverside Keyes Ranch on granitic soils. 1280 Comment
  POM254321  Arabis pulchra P. A. Munz 1940-3-24 15709 Riverside 2 miles north of Cottonwood Spring, Eagle Mountains. 915 Comment
  SEINET6630449  Arceuthobium campylopodum N. Cooper 1944-7-16 1547 Riverside San Jacinto Mountians. Pine Cove 1524 Comment
  RSA629396  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19525 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA552735  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6756 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  CAS-BOT-BC24673  Arctostaphylos glauca C. B. Wolf 1932-2-11 2649 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. w. of Corona, base of Skyline Drive. 405 Comment
  RSA631823  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20104 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  UCR111068  Arctostaphylos glauca Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
Read comments
Feb 3 2017
  RSA0062646  Arctostaphylos glauca Dave Kelley 1949-1-20 s.n. Riverside Bautista Canyon about 7-10 miles east of Hemet. 518 Comment
  POM259130  Arctostaphylos parryana subsp. desertica P. A. Munz 1938-8-14 15376 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA633564  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16614 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633698  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16667 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633764  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21772 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA635307  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22537 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  RSA635594  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16764 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  SEINET3093967 Image available Arctostaphylos pringlei Paul Lamos 1972-4-16 0416720501 Riverside .5 mi. north Lake Filmore highway 243 1646 Comment
Read comments
Mar 13 2018
  SEINET5539347  Arctostaphylos pringlei R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, W 25d slope. 1524 Comment
  RSA249851  Arctostaphylos pringlei subsp. drupacea R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38123 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  SBBG59984  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, 1.5 mi from Idyllwild on rd to Banning 1706 Comment
  UCR90494  Arctostaphylos pringlei subsp. drupacea F. M. Reed 1933-5-31 7845 Riverside San Jacinto Mtns., Vandeventer Flats 1433 Comment
  UCSB4720  Arctostaphylos pringlei subsp. drupacea Ralph, F. 1959-5-16 Riverside Near Jolley Springs along Devil's Slide Trail in Mt. San Jacinto Wilderness Area, Mt. San Jacinto 2133 Comment
  RSA635794  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16825 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  RSA636028  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15061 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  RSA636185  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19492 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  UCR209396  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6515 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, northwest corner of El Calamar Road and Via Escalon, 1.6 km west-northwest of the summit of Mesa de La Punta 536 Comment
  RSA0041961  Argemone munita Duncan S. Bell, Loraine Washburn 2014-4-8 6585 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  SD229210  Argemone munita Dick Schwenkmeyer 2012-5-22 732 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR133358  Argemone munita Tracy Tennant, J. S. Ross 1998-4-30 MOR- 62 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR3307  Argemone munita John Kitasako 1964-5-10 45267 Riverside San Jacinto Mtns., State Hwy 74, 4.5 mi east of Hemet 640 Comment
  RSA282778  Argemone munita subsp. munita C. W. Tilforth, B. Busenberg 1980-6-17 2023 Riverside South end of Thomas Mtn. Rd. south of Lake Hemet, west of Highway 74. At large square telephone signal reflector panel. Comment
  RSA591402  Aristida adscensionis L. C. Wheeler 1931-11-26 373 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  UCD56407  Aristida adscensionis D. Fenfrock 1951-5-10 s.n. Riverside Hwy. 60-70 at Black Rock, 10 miles west of Blythe. Comment
  POM310162  Aristida adscensionis var. modesta Hulda Crooks 1946-3-2 271 Riverside Palm Springs area. 139 Comment
  UCD56515  Aristida purpurea P. B. Kennedy 1921-10-28 s.n. Riverside Mt. Rubidoux. Comment
  JOTR34476  Aristida purpurea var. longiseta Andre, Jim 2012-4-16 20957 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  HSC101775  Aristida purpurea var. purpurea J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13192 Riverside Along State Route 74 1227 Comment
  RSA385032  Aristida purpurea var. purpurea N. C. Cooper 1944-5-19 1291 Riverside Banning. 701 Comment
  POM13394  Artemisia californica E. C. Jaeger 1921-4-10 1020 Riverside Palm Springs, Colo. Desert. Comment
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Nov 5 2011
  JOTR34155  Artemisia dracunculus Harding, Mitzi, M. Wheeler 2013-9-21 83 Riverside Joshua Tree National Park. Queen Valley; SE of Barker Dam, near Wall Street Mill parking area 1304 Comment
  UCR97265  Artemisia ludoviciana subsp. albula Bern Schwenn 1994-9-18 s.n. Riverside Little San Bernardino Mtns., E end of range to SW of Pleasant Valley, on summit of Bernard Peak 1646 Comment
  UCR100164  Artemisia ludoviciana subsp. incompta Scott D. White 1992-12-16 985 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  RSA0048565  Artemisia tridentata Nancy Anderson 1955-5-21 s.n. Riverside Van der Venter [Vandeventer] Flats. Comment
  CAS-BOT-BC222818  Asclepias albicans Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13262 Riverside U. S. gypsum mine property in Little Maria Mts., 2 miles above Midland Post Office Comment
  POM13814  Asclepias californica P. A. Munz 1922-4-28 5060 Riverside Leach Canyon, Santa Ana Mts. 610 Comment
  SBBG5703  Asclepias eriocarpa H. and M. Dearing 1940-6-9 4366 Riverside Palms to Pines Hwy, W of Ribbonwood Comment
  UC22973  Asclepias eriocarpa Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA543155  Asclepias erosa Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6105 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SEINET10961578  Asclepias erosa Ira L. Wiggins, Reed C. Rollins 1941-9-14 Wiggins 482 Riverside Colorado Desert, 23 mi W of Blythe Comment
  UCR40435  Asclepias fascicularis Steve Boyd 1985-8-7 1102 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  JEPS5155  Asclepias subulata W. L. Jepson Oct 22 1912-Nov 7 1912 5236 Riverside near Riverside Mts.; Colorado River 45 Comment
  CLARK-A1528-1605  Aster chilensis John C. Roos 1946-9-14 3014 Riverside San Jacinto Mountains 1371 Comment
  CAS-BOT-BC177529  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  RSA485841  Astragalus coccineus T. S. Elias 1988-1-26 10674 Riverside Joshua Tree National Monument; Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  UC63400  Astragalus didymocarpus H. M. Hall 1904-5-19 4951 Riverside vicinity Riverside (Fairmount Park); vicinity of Riverside, Fairmount Park 243 Comment
  UCR174526  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore 'back basin' on NE side of lake 384 Comment
  CAS-BOT-BC182590  Astragalus didymocarpus var. dispermus P. A. Munz 1922-4-29 5096 Riverside Dripping Spring, near Temecula Creek 518 Comment
  UC56442  Astragalus didymocarpus var. dispermus H. M. Hall May 1901 Riverside Coahuilla Comment
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Sep 17 2011
  SEINET948244  Astragalus douglasii var. parishii D. Bramlet 1990-1 2040 Riverside Approximately 915m south of Hwy 79 and 152m south of the Dripping Springs Campground. The site is 30m east of the main wash. Vail Lake 7.5 USGS Quadrangle. 494 Comment
  UC13446  Astragalus douglasii var. parishii H. M. Hall May 1899 1158 Riverside Van de Venter's San Jacinto Mountians, El Toro Region, Van de Venter's (in the El Toro Region, San Jacinto Mountains) 1371 Comment
  RSA642091  Astragalus filipes Orlando Mistretta, Mark Elvin 1995-6-19 1780 Riverside San Jacinto Mountains.: [State Hwy 74] 1433 Comment
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Jan 1 2007
  PASA1850  Astragalus lentiginosus var. coulteri R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  SEINET3004974  Astragalus nuttallianus G. Rink 2011-3-30 10400 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  POM13864  Astragalus pachypus var. jaegeri P. A. Munz 1922-4-29 5118 Riverside East of Dripping Spring, near Temecula Creek 609 Comment
  UCR262560  Astragalus pachypus var. jaegeri James Hughes 2015-6-19 s.n. Riverside San Jacinto Mountains, Rouse Ridge, along FS Rd. 5S15/Rouse Hill Truck Trail c. 4 road miles south of Cranston Guard Station 893 Comment
  UCR95257  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 0972 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 150 m SE of the Helopad at the upper camp sites. 524 Comment
  RSA415401  Astragalus palmeri B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  SEINET887640  Astragalus palmeri George Helmkamp, E. A. Helmkamp 1998-1 3379 Riverside Santa Rosa Mountains: Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  CAS-BOT-BC27821  Astragalus pomonensis Marcus Eugene Jones 1882-4-24 3166 Riverside San Jacinto Comment
  RSA619546  Astragalus pomonensis D. L. Banks 1997-5-5 1995 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA716395  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-5 9979 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD217295  Astragalus pomonensis Steve Boyd, Tim Ross, Laurel Arnseth and Jaine Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of Big Oak Mountain, njust south of the east summit. 609 Comment
  UCR51557  Astragalus pomonensis Lyman Benson 1946-4-15 12013 Riverside [Calimesa area] 6 mi. SE of Redlands 610 Comment
  CAS-BOT-BC27727  Astragalus vaseyi var. johnstonii Philip Alexander Munz; Ivan Murray Johnston 1922-5-7 5271 Riverside Keyes Ranch, Little San Bernardino Mts. 1066 Comment
  CAS-BOT-BC66102  Athyrium filix-femina var. cyclosorum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mt. Comment
  SEINET2044653 Image available Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside West side of Chuckwalla Mountains, on gas line road ca. 1.5 miles N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 miles (airline) S of Hwy I-10. 488 Comment
  UCR130124  Atrichoseris platyphylla Scott D. White 2001-4-3 8223 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  PASA1844  Atriplex canescens R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  POM278695  Atriplex canescens Grant D. Brown 1950-3-29 525 Riverside At San Jacinto River Bridge 3 miles N of San Jacinto Comment
  RSA3322  Atriplex canescens C. B. Wolf 1931-10-14 s.n. Riverside Cabezon, San Gorgonio pass. Comment
  RSA763548  Atriplex canescens Doris Hoover Bowers 1967-12-26 204 Riverside Durhams Siding E. side of Salton Sea -3 Comment
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Jun 16 2013
  SBBG1755  Atriplex canescens H. and M. Dearing 1936-12-25 151 Riverside Thousand Palms Comment
  SEINET3930594  Atriplex canescens Grant D. Brown 1950-3-29 521 Riverside Aguanga on highway 379.; 0 549 Comment
  SFV11874  Atriplex canescens R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UC1929840  Atriplex canescens Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10685 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  UC850853  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4320 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  JOTR34410  Atriplex canescens var. laciniata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3097 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring, near oasis 914 Comment
  RSA452446  Atriplex canescens var. laciniata L. C. Wheeler 1931-11-27 379 Riverside 2 miles SE of Salton Bench Mark. -76 Comment
  HSC47343  Atriplex canescens var. linearis R. W. Spjut, Judy Adams 1978-11-22 5240 Riverside Colorado Desert, between Indian Wells and Indio along Hwy. 111 0 Comment
  UCR228198  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  UCR66971  Atriplex coronata var. notatior D. E. Bramlet 1990-6-13 2034 Riverside Perris-Aguanga Basin region, c. 600 m SE of the San Jacinto Wildlife area, in dry duck ponds 2 km east of Davis Road. Population found beside a dirt road c. 100 m NE of an existing dog kennel. 473 Comment
  CDA23259  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 -350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Road and Temescal Wash; south ca. 1.5 miles of Blue Diamond Quarry. Comment
  SEINET5585510  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-1 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy. 74 S to Temescal Wash. 393 Comment
  SD262261  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2017-1-15 42664 Riverside Sonoran (Colorado) Desert: Orocopia Mountains, wash below Canyon Spring in side canyon off Salt Creek, c. 1.5 miles below Red Canyon confluence. 345 Comment
  CAS-BOT-BC169297  Atriplex lentiformis S. B. Parish 1912-6-28 8118 Riverside Alkaline flats, Mecca Comment
  JEPS90698  Atriplex pacifica D. Bramlet 1991-6-20 2200 Riverside approx 8 m e of Davis Road (and some 150 m n of the San Jacinto River levee, Old Riverbed area beside existing channelized area of San Jacinto River); San Jacinto Wildlife Area 475 Comment
  SD112543  Atriplex serenana Darley F. Howe 1952-7-14 2250 Riverside South of Lake Elsinore. Comment
  RSA532584  Atriplex serenana var. davidsonii D. Bramlet 1991-6-20 2200 Riverside San Jacinto Wildlife Area. Approximately 8 m. E of Davis Road and some 150 m. N of the San Jacinto River levee. Old Riverbed area beside the existing channelized area of the San Jacinto River. 475 Comment
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Jan 16 2013
  UCR129807  Atriplex suberecta Scott D. White 2001-4-13 8322 Riverside Beaumont Badlands, County Landfill area north of Moreno Valley, c. 0.25 air mi. NW of the SR-60 freeway junction with Gilman Springs Rd., unnamed wash 701 Comment
  RSA522086  Atriplex suberecta Steve Boyd, Timothy S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  RSA757728  Avena barbata LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4355 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR41328  Avena barbata N. M. Fellows 1984-3-20 13 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  CLARK-A1528-40  Avena fatua John C. Roos 1951-9-25 Riverside Riverside 259 Comment
  RSA426790  Ayenia compacta E. Dean 1929-5-6 s.n. Riverside Mts. of W. side of Colorado desert. Near Elsinore. Comment
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Jul 17 2015
  SDSU21799  Baccharis glutinosa Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3990 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  POM15077  Baccharis salicifolia Mary F. Spencer 1922-4-3 649 Riverside Tahquitz Canyon, Palm Springs 183 Comment
  POM318588  Baccharis salicifolia Patricia Wilder 1970-10-15 4795 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  POM350371  Baccharis salicifolia P. J. Remple 1942-3-21 s.n. Riverside Banning - Indio - Palm Springs road junction Comment
  UC485502  Baccharis salicifolia T. S. Brandegee 1896-4-10 Riverside Agua Caliente [note on specimen: = Palm Springs, present Riverside Co.] Comment
  UCR100032  Baccharis salicifolia A. C. Sanders, G. Helmkamp 1997-3-15 19975 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  JEPS21254  Baccharis sergiloides Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio (Carrizo Canon); Carrizo Canon 304 Comment
  RSA496379  Baccharis sergiloides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3056 Riverside Vail Lake area, 0.75 miles N of dam, at edge of dissected bench, S flank Oak Mountain 518 Comment
  UCR89540  Baccharis sergiloides Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  RSA328945  Bacopa monnieri Brad Ballen 1982-12-27 588487 Riverside growing at the edge of a lake at desert Island Country Club, 71-777 Frank Sinatra Drive Comment
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Dec 28 2011
  RSA450421  Baileya pauciradiata J. C. Roos 1965-4-28 s.n. Riverside Palm Springs. Comment
  SBBG7791  Baileya pauciradiata H. and M. Dearing 1937-4-10 2864 Riverside ca. 16 mi N of Indio Comment
  UC665848  Baileya pauciradiata Ira L. Wiggins 1941-3-24 9571 Riverside 0.3 mi s, 4.6 mi n of Indio Myoma Comment
  UC893812  Baileya pauciradiata Lewis S. Rose 1937-4-10 37147 Riverside 5 mi s Cathedral City 15 Comment
  UCR275528  Bassia hyssopifolia A. C. Sanders, Karen Kirtland 2016-9-23 42627 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  OBI16935  Bebbia juncea H. E. McMinn 1935-6-27 4066 Riverside Palms to Pines Highway Comment
  CAS-BOT-BC100124  Bebbia juncea var. aspera K. Bonner 1977-10-31 2594 Riverside 14 miles South of Vidal 161 Comment
  CAS-BOT-BC100135  Bebbia juncea var. aspera M. Bourell; R. Patterson 1987-4-14 3270 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  UC1119037  Bebbia juncea var. aspera H. S. Yates 1936-4-7 5433 Riverside Thousand Palms, Thermal Thermal, Thousand Palms 304 Comment
  UC472350  Bebbia juncea var. aspera F. M. Reed 1917-5-19 3848 Riverside Palm Canon, Colorado Desert Colorado Desert, Palm Canon Comment
  UCD129534  Bebbia juncea var. aspera David Charlton 1988-2-18 1197 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 5 miles east of Jct Dillon Road and Fargo Canyon Road. 762 Comment
  CSUSB2  Beloperone californica I. S. Singh 1972-4-21 S.N. Riverside Colorado Desert West and north edges of Colorado Desert. Sea level. Comment
  POM14866  Bergia texana H. Baer 1922-11-12 s.n. Riverside San Jacinto River Bed, Near Elsinore Comment
  UCR25174  Bernardia myricifolia John C. Roos 1950-12-2 5027 Riverside Sonoran (Colorado) Desert, Eagle Mountains, Munsen ['Monson'] Canyon 1067 Comment
  UCR92654  Berula erecta F. M. Reed 1933-8-13 8012 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  CSUSB416  Bloomeria crocea Pat Halligan 1968-4-13 Riverside 1/4 mile southwest of water tank on Sugarloaf Mountain Comment
  CSUSB941  Bloomeria crocea Mark Eutenier 1973-5-30 730530 4 Riverside Box Springs Road, side canyon running east-west from main canyon 50 yards north of tower and Big "C", 50 yards east of main canyon 5 feet up north facing slope. 548 Comment
  UCR271519  Bloomeria crocea T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8361 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  SEINET225802  Bloomeria crocea var. crocea K. M. Kummer 1981-5-19 Riverside Box Springs Mountains Box Springs Reserve 732 Comment
  RSA278503  Boechera californica John F. Emmel 1977-6-9 565 Riverside Thomas Mountain Road, ca. 0.5 air mile SW of Jozee Spring. 1585 Comment
  JOTR33744  Boechera pulchra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2742 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UC454082  Boerhavia coccinea I. J. Condit 1910-6-24 Riverside San Jacinto Canyon Comment
  UCR163736  Boerhavia wrightii B. G. Pitzer 2000-11-4 4240 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  RSA192349  Boisduvalia densiflora H. A. Zuill 1966-7-7 277 Riverside About 3 miles SW of Murrieta- near junction to Santa Rosa Ranch. Comment
  RSA0117484  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112 -05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of 1-10. 709 Comment
  CLARK-A1528-1266  Bothriochloa barbinodis E. W. Lathrop 1965-4-26 Riverside Comment
  CLARK-A1528-4513  Bouteloua barbata John C. Roos 1965-9-5 Riverside Comment
  SD255047  Bouteloua barbata var. barbata Sarah J De Groot, Amy Rouillard 2015-9-15 7567 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  UCR149061  Bowlesia incana Michael L. Fugate 2005-2-18 s.n. Riverside Coyote Hill SE of UC Riverside campus, lower slopes of hill with Bench Mark Versity 366 Comment
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Mar 27 2013
  UCR172208  Bowlesia incana John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  RSA55094  Brandegea bigelovii R. H. Peebles 1930-4-6 121 Riverside Shavers Well. Comment
  SBBG98217  Brassica juncea N. C. Cooper 1944-6-17 1387 Riverside W side of San Jacinto Mtn 1371 Comment
  UCR79237  Brassica rapa subsp. sylvestris Steve Boyd, Orlando Mistretta 1992-4-23 7062 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon 305 Comment
  RSA278954  Brassica tournefortii B. A. Prigge, L. Martinez 1978-3-23 2397 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Road 274 Comment
  RSA770308  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4495 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64307 487 Comment
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Mar 7 2013
  RSA799882  Brassica tournefortii D. M. Ray 2011-3-5 9 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SD216466  Brassica tournefortii Carol R. Annable 1995-3-9 2257 Riverside Circa 13 kilometers North of Rancho Mirage. BLM land behind A-1 Cement. Comment
  UCR241803  Brassica tournefortii A. C. Sanders, Ann Howald 2013-2-28 40554 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  RSA0042798  Brassica tournefortii A. Lee Haines 1973-3-24 s.n. Riverside Whitewater River Cyn. 426 Comment
  CAS-BOT-BC106335  Brickellia atractyloides var. arguta W. L. Jepson 1928-4-24 s.n. Riverside On the rocky walls of canyon below spring, Cottonwood Spring 2407 Comment
  UCR13707  Brickellia desertorum N. R. Zabriskie, N. Bercovitz 1971-11-15 463 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon, E slope San Jacinto Mtns. 306 Comment
  UCR231199  Brickellia desertorum A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39946 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  UCR23270  Brickellia desertorum John C. Roos, L. Roos 1950-10-28 5020 Riverside Perris-Aguanga basin region, N base Mt. Russell, 1 mi SE of Moreno 550 Comment
  RSA543596  Bromus berteroanus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6128 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. 488 Comment
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Apr 12 2009
  UCR2216  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  UCR91999  Bromus catharticus Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  RSA598036  Bromus hallii F. M. Reed 1908-7-13 2476 Riverside San Jacinto Mountains: Tahquitz Valley. 2439 Comment
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Jun 3 2008
  UCR125225  Bromus hordeaceus Mitch Provance, Twoc Tran 1998-5-30 564 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  JOTR16770  Bromus madritensis subsp. rubens Walters, Jim 1967-3-12 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  UC1930083  Bromus madritensis subsp. rubens Scott D. White 2001-3-27 8172 Riverside BADLANDS: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/Theodore St. Adjacent to County Landfill. Comment
  RSA192273  Bromus pseudolaevipes E. W. Lathrop 1966-6-1 6355 Riverside Tenaja Range, Fisherman's Creek Camp. Comment
  UCR120895  Bromus rubens A. C. Sanders, D. Malueg 2002-4-8 24907 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  RSA556483  Bromus rubens Julie Greene 1036 -A Riverside San Jacinto Wildlife Area: North of the eastern pond. 441 Comment
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Mar 3 2013
  RSA597950  Bromus rubens F. M. Reed 1926-4-16 4692 Riverside Riverside. 274 Comment
  CAS-BOT-BC185643  Bromus tectorum Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  UCR104906  Bromus tectorum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20645 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR243571  Bromus tectorum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21107 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  SD51958  Bromus tectorum var. glabratus Reid Moran 1962-7-7 9860 Riverside Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCR2263  Bromus trinii F. M. Reed 1907-4-7 1274 Riverside Streambed at foot of Box Springs Mountain Comment
  SBBG133350  Caesalpinia gilliesii S. D. White, A. Carey 2004-7-2 10577 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  CHSC851  Caesalpinia virgata M. Anthony 1954-4-15 Riverside Canyon east of Mecca. 152 Comment
  GMDRC3745  Caesalpinia virgata J. Andre, T. La Doux 2009-3-1 11238 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  RSA405296  Caesalpinia virgata Robert Gustafson 1980-4-3 1530 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  UCR166540  Caesalpinia virgata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10878 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  POM123120  Calandrinia ciliata Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  UCR249821  Calandrinia ciliata T. B. Salvato, John Lovio 2013-3-19 7359 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  CDA2647  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region; between Pedley and Mira Loma, Sims property at NE corner of Limonite Ave. and Bain St. Comment
  RSA377349  Calochortus concolor Russell S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains. Comment
  RSA6108  Calochortus concolor Carl B. Wolf 1932-5-24 3654 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  UCR35284  Calochortus concolor L. B. Ziegler 1967-6-27 180 Riverside San Jacinto Mtns., Hemet Valley. Slopes above Kenworthy Ranger Station. 1524 Comment
  JOTR31119  Calochortus kennedyi var. kennedyi La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2502 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  RSA369046  Calochortus palmeri var. munzii N. C. Cooper 1949-6-29 4315 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UC729646  Calochortus plummerae Carl B. Wolf 1932-5-25 Riverside 1.5 mi sw Summit of Moreno Grade (sw of Beaumont); Bad Lands 548 Comment
  RSA524581  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4129 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  RSA688839  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-6-17 9549 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  RSA674970  Calycadenia tenella Scott D. White, Teresa Salvato 2001-6-8 8575 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR112795  Calycadenia tenella A. C. Sanders 1997-5-1 20624 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  CLARK-A1045-237  Calyptridium monandrum George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  SEINET9098122  Calyptridium monandrum H. M. Hall 1903-1 3791 Riverside Sonoran Zone, vicinity of Riverside. 366 Comment
  UCR112595  Calystegia macrostegia subsp. arida Mitch Provance 1998-2-17 65 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  HSC92884  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  RSA18953  Calystegia macrostegia subsp. intermedia Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9664 Riverside Foot of grade, State Highway #74, along San Jacinto River. Comment
  RSA394917  Calystegia macrostegia subsp. tenuifolia M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek, Aguanga. Comment
  UC56829  Calystegia sepium subsp. binghamiae H. M. Hall Aug 1901 Riverside along Spring Brook (vicinity of Riverside); , along Spring Brook 259 Comment
  UCR57202  Calystegia sepium subsp. binghamiae Marlene Braun 1989-5-28 39 Riverside Hidden Valley Wildlife Refuge, entrance at the end of Mann Ave. in Mira Loma. Follow dirt trail 1/4 mi S to river bottom Comment
  RSA793015  Camissonia Justin M. Wood 2011-4-4 3400 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  RSA621900  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2918 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA550039  Camissonia californica Walter Wisura, A. King, L. Newcomb 1992-4-10 4668 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  UCR96880  Camissonia californica Scott D. White 1993-3-12 1183 Riverside Near Winchester 466 Comment
  UCR274811  Camissonia cardiophylla Aaron C. Sedgwick, David Fraker 2012-4-24 012 Riverside Sonoran (Colorado) Desert, Palen Valley south of Power Line Road that paralleles Hwy I-10 159 Comment
  SEINET10492046  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  JOTR30136  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha 2008-2-4 1703 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./ Porcupine Wash; deep canyon. 778 Comment
  JOTR32445  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  CLARK-A1528-3324  Camissonia chamaenerioides John C. Roos 1949-4-11 4235 Riverside Chuckwalla Mountains Comment
  NY679520  Camissonia cheiranthifolia N. D. Atwood 1993-3-27 17699 Riverside Corona del Mar State Park along Newport Coast Drive. 0 Comment
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Jul 14 2012
  SEINET3005049  Camissonia claviformis G. Rink 2011-4-25 10486 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 109 Comment
  SEINET10492071  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6440 Riverside Blythe-rice road, 17 airline mi n-nw of blythe. T4s, r21e, sec 13. Common in wash.petal white. 259 Comment
  UCR117392  Camissonia confusa S. J. Myers 1991-4-15 91- 3 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  UCR44446  Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  SEINET7040180  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 4.2 miles east of Murrietta [near Murrietta Hot Springs]. UTM Zone 11, 487862mE, 3712342mN. Comment
  RSA448991  Camissonia hirtella N. C. Cooper 1944-6-4 1375 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA448992  Camissonia hirtella Robert Gustafson 1983-4-18 2505 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UCR241105  Camissonia ignota A. C. Sanders, Timothy W. Chumley 2013-4-2 40743 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA449239  Camissonia pallida subsp. pallida M. B. Dunkle 1932-3-25 2877 Riverside Cabazon. Comment
  RSA449247  Camissonia pallida subsp. pallida Ora M. Clark 1929-3-16 1726 Riverside N. Whitewater. Comment
  UCR269212  Camissonia pallida subsp. pallida Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1253 Riverside San Bernardino Mtns., Haugen-Lehmann Way off I-10, Pacific Crest Trail (PCT) in canyon directly west of Whitewater 675 Comment
  CLARK-A1528-3362  Camissonia strigulosa John C. Roos 1943-8-8 2703 Riverside San Jacinto Mountains 1615 Comment
  RSA186604  Camissonia strigulosa Peter H. Raven 1959-5-17 14234 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  UCR1144  Camissonia strigulosa Frank C. Vasek 1958-5-9 580509- 01 Riverside San Bernardino Valley/Perris-Aguanga Basin Region, 1st valley west of Reche Canyon on new road [Reche Vista Dr.] from Console Springs to Sunnymead 671 Comment
  UCR178015  Camissonia strigulosa Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 022 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  RSA651720  Camissonia strigulosa Margaret Murphy 1983-5-15 0025 -C Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  JEPS31515  Camissoniopsis bistorta I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4730 Riverside Gavilan Peak 600 Comment
  JEPS31569  Camissoniopsis bistorta W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1422 Riverside Van Deventer's Flat Santa Rosa Mts. Comment
  UC423047  Camissoniopsis hirtella F. M. Reed Mar 1906 178 Riverside Riverside and vicinity Comment
  UCSB4513  Camissoniopsis pallida subsp. pallida Haller, John 1957-3-23 Riverside Morongo Wash, ca, 4.5 road miles N. of US 99, & 3 air miles S. of Riverside-San Bernardino co line 609 Comment
  RSA716067  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: South of Hemet, 'Santa Rosa Hills' near Hemet Butte. 549 Comment
  POM289945  Carex alma Lyman Benson 1932-3-26 3165 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
  UCD169811  Carex barbarae R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 537 Comment
  CAS-BOT-BC20706  Carex fracta H. E. Hasse 1903-6-24 s.n. Riverside San Jacinto Moutains. Keen - Allen's Camp. 1371 Comment
  POM47443  Carex fracta Mary F. Spencer 1919-6-19 1198 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM14312  Carex hassei Phillip A. Munz 1922-6-27 5862 Riverside Santa Rosa Mountains. 2012 Comment
  UC830192  Carex nebrascensis P. A. Munz 1922-9-6 6397 Riverside Round Valley 2743 Comment
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Nov 9 2009
  CAS-BOT-BC118513  Carex praegracilis A. C. Sanders; Steve Boyd 1980-5-19 1501 Riverside San Jacinto Mountains, Garner Valley. W of Kenworthy Ranger Station. 1371 Comment
  RSA544377  Carex praegracilis Steve Boyd, Timothy S. Ross 1991-6-14 3692 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  UCR50003  Carex praegracilis L. F. LaPre, Jack Easton 1987-6-5 s.n. Riverside Peninsular Range, Rancho California, along Temecula Creek at Pala Road bridge Comment
  RSA711756  Cassia eremophila O. F. Clarke 2002-3-11 s.n. Riverside O.F. Clarke residence, 266 Frost Court. 351 Comment
  SEINET3079826 Image available Castilleja affinis J. Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, S of Murrieta; small mesa just W of Mesa de Burro & Tenaja Road. 610 Comment
  JEPS29297  Castilleja exserta subsp. exserta Rimo Bacigalupi, and L. Heckard 1962-3-25 8392 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of Santa Ana Mountains); Santa Ana Mountains 304 Comment
  RSA0010931  Castilleja exserta subsp. exserta Scott D. White, Angelia Carey 2004-4-5 9991 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  JEPS8770  Castilleja foliolosa W. L. Jepson May 17 1901-Jun 1 1901 1417 Riverside VanDeventer's Ranch Santa Rosa Mts., Vandeventer Flat 1493 Comment
  RSA674929  Castilleja foliolosa Scott D. White, Pam De Vries 2000-4-25 7723 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  SEINET244844 Image available Castilleja foliolosa A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24934 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  UCR94646  Castilleja foliolosa Scott D. White 1996-5-27 4073 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  LA209248  Castilleja miniata Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, trail to Round Valley from Hidden Lake Comment
  CDA6525  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region; Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. Comment
  CAS-BOT-BC38294  Caulanthus cooperi Lewis S. Rose 1937-4-9 37121 Riverside Palms to Pines Highway, 18 miles west of Indio. 1036 Comment
  JOTR16634  Caulanthus cooperi Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH JUMBO ROCKS 1280 Comment
  RSA503410  Caulanthus heterophyllus J. D. Olmsted 1962-5-10 3643 Riverside Crest between Sandia Creek and DeLuz Creek drainages 259 Comment
  SD137831  Caulanthus heterophyllus Darin L. Banks, Steve Boyd 1995-3-16 107 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove, north slope of Wildorse Peak. 609 Comment
  UCR104638  Caulanthus heterophyllus D. E. Bramlet, Steve Boyd 1991-5-13 2150 A Riverside Shipley Multi-species reserve. N Domenigoni Hills. 1.37 km SE of the intersection of Warren Road and Simpson Ave., on the large peak in Section 31, near the end of the old mine road Comment
  UCR98075  Caulanthus heterophyllus A. C. Sanders, G. Helmkamp 1997-3-15 19947 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA680633  Ceanothus crassifolius Scott D. White 2001-3-27 8176 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  SDSU10234  Ceanothus crassifolius Leslie D. Hickson 1992-3-9 09 III92A Riverside About 2.0 miles W oof Temecula, on Rancho California Rd. Found on the SW corner of Rancho California and Via Santa Rosa, ca. 100 ft off road. 475 Comment
  UCR270184  Ceanothus crassifolius A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42411 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR178154  Ceanothus greggii Jeffrey Ross, T. B. Salvato 1998-5-14 MOR- 143 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  SD42449  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-8-15 11155 Riverside Santa Ana Mts. Santiago Peak, N. side I(c) mi. from summit 1676 Comment
  POM184166  Ceanothus leucodermis P. A. Munz 1932-3-24 12027 Riverside Base of mts. south of Elsinore Lake. 366 Comment
  SD229239  Ceanothus leucodermis Dick Schwenkmeyer 2012-4-17 695 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  POM305352  Ceanothus oliganthus Henry J. Ramsey, Henry J. Ramsey 1938-2-25 666 Riverside Temecula Comment
  RSA562617  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-1 7721 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA249852  Ceanothus palmeri Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38124 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  SBBG26782  Ceanothus palmeri C. B. Wolf 1941-8-12 4425 Riverside Keen Camp Summit, between Keen Camp Post Office and Hemet Valley 1493 Comment
  UCR16494  Ceanothus palmeri J. Hollinger 1972-5-13 720513- 6 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild Comment
  RSA755791  Ceanothus perplexans Dylan O. Burge 2007-3-21 DOB 802 c Riverside San Jacinto Mountains, along Highway 243, 16.1 road miles north of Idyllwild, near the turn-off for Poppet Flat Road, 17.2 kilometers 319 degrees true north-northwest of Idyllwild. 1280 Comment
  RSA0019600  Ceanothus tomentosus J. D. Olmsted 1959-4-12 365 Riverside Turn S for 1 mi on Lincoln from Hwy thru W. Corona, turn W for 0.5 mi on Chase, S at wash onto Oak Flat fire road for 3-4 mi. N. to Santa Ana River drainage. 793 Comment
  SBBG34205  Ceanothus vestitus T. L. Secrest 1951-5-19 Riverside San Jacinto Mtns Comment
  UCR130875  Cenchrus spinifex A. C. Sanders, K. C. Rose 1999-5-28 22789 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  UCR119949  Centaurea repens Mitch Provance 1998-9-5 1026 Riverside City of Riverside, Hillside area, along the south side of Dewey St., between Streeter Ave. and Palm Ave. 238 Comment
  UCR125301  Centaurea repens A. C. Sanders, Seuk Ku Hong 2003-1-22 25669 Riverside San Bernardino Valley Region, Riverside, Arlington area, Doolittle Ave. 0.1-10. km NW of Van Buren Blvd., west of Riverside Airport and east of the site of Hole Lake 226 Comment
  UCR158130  Centaurium venustum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30099 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  JOTR00987  Centrostegia thurberi Cole, James E. 1941-5-17 711 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1280 Comment
  JEPS57819  Centrostegia thurberi var. thurberi W. L. Jepson 1928-4-25 12598 Riverside below Cottonwood Spring (Colorado Desert, Eagle Mountains); Colorado Desert, Eagle Mountains 731 Comment
  RSA442199  Cerastium fontanum subsp. vulgare L. C. Wheeler 1931-10-4 211 Riverside San Jacinto Mountains. Strawberry Valley. 1585 Comment
  CAS-BOT-BC388359  Cerastium glomeratum A. C. Sanders 2006-5-19 32461 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA784845  Cerastium glomeratum J. D. Olmsted 1959-6-23 567 Riverside Erosion gully where stream enters pond from North, Desert Sun School near Idyllwild, M. Fk. San Jacinto R. drainage area 1646 Comment
  UCR158935  Ceratonia siliqua Steve Morgan 2005-8-5 s.n. Riverside Riverside: UCR Botanical Garden, Grid Cell P-4 in Australian section 396 Comment
  POM68414  Cercidium floridum Marcus E. Jones 1924-2-26 s.n Riverside Shaver's Well. Comment
  JEPS64759  Cercidium floridum subsp. floridum W. L. Jepson 1927-4-12 11684 Riverside Mecca Painted Canyon (in wash) 76 Comment
  POM202255  Cercocarpus betuloides Marcus E. Jones 1933-4-5 s.n. Riverside Hemet. Comment
  UCR207361  Cestrum O. F. Clarke 2002-11-24 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  JEPS86543  Chaenactis artemisiifolia Roy E. Buck 1988-5-28 911 Riverside near top of grade w of Lake Elsinore (on e-facing slope above CA Hwy 74, 2.0 air km nw of confluence of Harlan Canyon & Johnson Canyon drainages, 7 air km w of L. Elsin. town); Elsinore Mountains Comment
  RSA180440  Chaenactis artemisiifolia E. W. Lathrop 1965-5-7 5706 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  UCR89847  Chaenactis artemisiifolia Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3301 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CDA7361  Chaenactis carphoclinia T. C. Fuller 1963-4-23 10277 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  SBBG99383  Chaenactis carphoclinia W. L. Halvorson 1977-2-5 77 -6 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  RSA554246  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-20 91 -101 Riverside Colorado Desert, Arica Mts, SW of Rice. 320 Comment
  RSA795744  Chaenactis carphoclinia var. carphoclinia J. Andre 2012-3-19 21312 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  CAS-BOT-BC276906  Chaenactis fremontii Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  JEPS30924  Chaenactis fremontii P. Stockwell 1940-4-24 1507 Riverside 1 mi e of Banning Comment
  RSA0031441  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4517 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  VVC2884  Chaenactis fremontii Tim Thomas, P. J. MacKay 2010-4-12 5024 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0106324  Chaenactis fremontii Lyman Benson 1946-4-15 12026 Riverside 2 miles east of Banning. 609 Comment
  CAS-BOT-BC172823  Chaenactis glabriuscula A. C. Sanders 2004-6-25 28281 Riverside Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel 335 Comment
  CLARK-A1045-326  Chaenactis glabriuscula George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  RSA34519  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-4-21 1109 Riverside Banning 701 Comment
  UC481111  Chaenactis glabriuscula var. glabriuscula Lottie M. Wilder 1903-4-12 79 Riverside Wilder's Comment
  JOTR32350  Chaenactis stevioides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2466 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and near Johnny Lang Canyon; Bouldery northeast facing drainage (Stop 1) Comment
  JEPS8902  Chaenactis xantiana Marjorie D. Clary 1932-5-26 1652 Riverside Pleasant Valley Colorado Desert, , Hexie Mt. 1066 Comment
  POM432473  Chamaesyce N. C. Cooper 1944-5-6 1196 Riverside Whitewater Canyon. 457 Comment
  RSA778523  Chamaesyce Amber Swanson, Linda Jean Foster 2011-10-8 625 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  SEINET3228133  Chamaesyce abramsiana G. Rink, T. Thomas and K. Routson 2012-9-1 11656 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  RSA0021556  Chamaesyce micromera Duncan S. Bell 2012-3-4 3140 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  SEINET3102113  Chamaesyce micromera Marc A. Baker, Michelle Cloud-Hughes 2011-9-25 17457 Riverside Chuckwalla Valley, 24km WSW of Blythe, 8km SSE of the summit of McCoy Peak, low stabilized sand dunes. 135 Comment
  RSA776946  Chamaesyce micromera Amber Swanson 2011-3-19 239 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  SBBG67729  Chamaesyce platysperma M. N. Ackley -Feb-1926 350 Riverside near Edom 64 Comment
  JEPS19346  Chamaesyce polycarpa I. W. Clokey, B. C. Clokey, and C. B. Clokey 1930-4-15 4732 Riverside Perris-Gavilan Peak 600 Comment
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Jul 5 2010
  RSA793463  Chamaesyce polycarpa Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4371 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  SBBG45531  Chamaesyce polycarpa Leota Davidson 1965-5-14 153 Riverside Joshua Tree Nat Monument Comment
  SJSU4464  Chamaesyce polycarpa E. V. Boro 1963-12-24 75 Riverside 5 mi SE of Desert Hot Springs Comment
  UC195031  Chamaesyce polycarpa Joseph Grinnell 1910-3-17 Riverside Colorado River, Riverside Mtn Comment
  UC2026395  Chamaesyce polycarpa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10053 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA433503B  Chamaesyce polycarpa Martha Hilend 1928-4-8 165 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  RSA608167  Chamaesyce polycarpa var. polycarpa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10053 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA0062771  Chamaesyce setiloba Duncan S. Bell, Evan Meyer 2014-10-21 7649 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  UCR138819  Chamomilla suaveolens D. L. Banks 1997-2-23 1291 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  UC2015693  Cheilanthes clevelandii A. C. Sanders 1995-11-26 17912 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga & Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. Comment
  IRVC3127  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1280 Comment
  UC218616  Cheilanthes covillei Ivan Johnston Apr Riverside Palm Canyon Comment
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Jul 4 2015
  POM18178  Cheilanthes newberryi Philip A. Munz 1923-3-10 6585 Riverside San Jacinto River, 3 miles from Elsinore Comment
  RSA543297  Cheilanthes newberryi Steve Boyd 1991-3-17 5514 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA85864  Cheilanthes newberryi F. W. Peirson 1922-4-30 2929 Riverside foot of St Johns Grade, south of Hemet Comment
  UC371175  Cheilanthes newberryi Miss M. A. King 1893-1 Riverside Menifee Comment
  UCSB30930  Cheilanthes parryi Parker, V. 1974-4-5 Riverside Just outside of the Phillip Boyd Desert Research Station near Palm Desert 289 Comment
  UCR277698  Chenopodium album Mitch Provance 2012-7-15 612- 66 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  RSA654881  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR278837  Chenopodium berlandieri Mitch Provance 2012-7-17 712- 14 Riverside San Gorgonio Pass, City of Banning, along E. Lincoln St., vicinity of the Banning Substation, between Hargrave St. and San Gorgonio Ave. 698 Comment
  UCR278876  Chenopodium berlandieri Mitch Provance 2012-7-17 712- 16 Riverside Beaumont Plain, Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  UCR69753  Chenopodium berlandieri A. C. Sanders, Chet McGaugh 1991-7-19 11154 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  UCR92275  Chenopodium berlandieri Scott D. White, M. A. Patten 1995-8-16 3554 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UC1287135  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside hills about 5 mi ne Aguanga Comment
  UC1951128  Chenopodium californicum Scott D. White, Justin Wood 2009-5-22 12900 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  RSA0104482  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SD148184  Chenopodium missouriense Mitch Provance 2000-10-28 2283 Riverside Jurupa Mountains Cultural Center, 0.25 mile southeast of peak 1411. 289 Comment
  UCR278870  Chenopodium missouriense Mitch Provance 2012-11-10 17600 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCR233147A  Chenopodium murale Jim Andre, Glenn L. Clifton 2011-2-22 17465 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR112475  Chenopodium pratericola A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  CAS-BOT-BC231768  Chilopsis linearis Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  SEINET10550589  Chilopsis linearis subsp. arcuata Robert F. Thorne, S. T. Blake 1965-6-1 Thorne 34714 Riverside Morongo Valley pass 488 Comment
  RSA679073  Chimaphila umbellata Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1444 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UC577429  Chloris virgata J. and H. W. Grinnell 1937-11-30 1081 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  UCR72194  Chorizanthe brevicornu Theo Glenn 1991-5-20 91- 104 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  CAS-BOT-BC191716  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-3-30 6563 Riverside 8.1 miles E of Cactus City, about 20 miles E of Coachella. Colorado Desert 426 Comment
  RSA226505  Chorizanthe brevicornu var. brevicornu C. W. Tilforth, John Dourley 1971-4-15 348 Riverside Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road. 534 Comment
  SBBG6282  Chorizanthe brevicornu var. brevicornu T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  UCD80953  Chorizanthe brevicornu var. brevicornu Chuck Hughes 2009-3-23 62 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR263483  Chorizanthe coriacea A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41447 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA392639  Chorizanthe fimbriata M. B. Dunkle 1934-6-18 3969 Riverside Upper San Juan Canyon. Comment
  HSC85293  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  RSA679013  Chorizanthe fimbriata var. fimbriata M. Wall, Sean Wall 2003-5-24 332 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. 564 Comment
  CAS-BOT-BC191354  Chorizanthe leptotheca Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR217653  Chorizanthe leptotheca Karyn L. Drennen, Kim Sparks 2010-6-7 10 Riverside Palomar Mountains foothills, Southwest of Durasno Valley, 5 km north-northeast of Beauty Peak, 1.07 km east of Bonny Lane and 10m north of Bowers Road. 1374 Comment
  SD134409  Chorizanthe parryi var. parryi Craig Reiser 1991-4-25 Riverside Just S of Harford County Park and Idaleona Road Comment
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Jul 11 2010
  UCR19249  Chorizanthe parryi var. parryi John C. Roos 1950-5-27 4819 Riverside Peninsular Range, Hills NE of summit of Reche Canyon 762 Comment
  CAS-BOT-BC244717  Chorizanthe staticoides Steve Boyd; Tim Ross; Dave Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 533 Comment
  RSA777280  Chorizanthe watsonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4742 -a Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR94948  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 bridge 900 Comment
  SBBG61608  Chrysolepis sempervirens R. Hoffmann 1929-9-5 Riverside San Jacinto Mtns 2438 Comment
  RSA93244  Chrysothamnus paniculatus F. W. Peirson 1922-12-26 3331 Riverside Whitewater Grade, near Cabazon Comment
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Mar 13 2011
  CHSC8280  Chylismia brevipes Edward L. Smith 1958-3-21 472 Riverside Found 2 miles e of Indio on hwy. US 60, San Bernardino Mtns. 0 Comment
  UC874207  Chylismia brevipes I. W. Clokey 1935-4-17 6763 Riverside mesa Shafer Wells-Cottonwood Springs 25 Comment
  CAS-BOT-BC160610  Chylismia claviformis subsp. aurantiaca Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UCSB4509  Chylismia claviformis subsp. aurantiaca Krogen, Roger 1957-1 Riverside 4 mi. S of Jct. of HWY 195 and HWY 60-70; at N edge of Orocopia mts Comment
  UCR137095  Cichorium intybus John F. Green 2004-7-1 s.n. Riverside Santa Ana River Valley, just NW of Riverside Municipal Airport, drainage c. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd 229 Comment
  RSA0059654  Cirsium occidentale Steve Boyd, Tim Ross 1991-6-14 6403 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA752785  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2009-5-21 12836 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  CAS-BOT-BC438665  Cistanthe ambigua Aven Nelson; Ruth Nelson 1939-3-29 3326 Riverside Near the Palm grove, at Hidden Springs, on the Mecca road Comment
  POM12750  Cistanthe monosperma P. A. Munz 1922-7-6 6003 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA448265  Clarkia dudleyana Gale Sphon 1959-5-2 322 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA717838  Clarkia dudleyana T. Tennant, Mitch Provance, J. S. Ross 1998-6-25 MOR- 529 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  SD247464  Clarkia dudleyana Kate Kramer 2012-5-25 262 Riverside Along Highway 243: between Mt. Edna Road and Vista Grande fire station. 1387 Comment
  UCR260832  Clarkia epilobioides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41529 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  UCR260859  Clarkia epilobioides A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41564 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 373 Comment
  SEINET3093400 Image available Clarkia purpurea Scott White 1991-5-13 91 -113 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  UCR116665  Clarkia purpurea A. C. Sanders, Carolyn Washburn 2001-5-10 24233 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR116863  Clarkia purpurea A. C. Sanders, Steven R. Hill 2001-5-4 24128 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR274300  Clarkia purpurea T. B. Salvato, Melissa Clemons 2005-6-6 1410 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  CSUSB232  Clarkia purpurea subsp. quadrivulnera Steve Kulju 1974-5-16 Riverside Santa Ana Mountains Murrieta. Tenaja Road, 1.5 miles from Washington Ave. Comment
  CSUSB234  Clarkia purpurea subsp. quadrivulnera Leland R. Dykes 1962-4-22 41 Riverside Along state highway 71, 7 miles south of Corona Comment
  UCR111985  Clarkia purpurea subsp. quadrivulnera A. C. Sanders, T. B. Salvato 2000-5-25 23417 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR68866  Clarkia similis Steve Boyd, T. S. Ross 1990-5-11 4701 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UCR97442  Claytonia parviflora subsp. parviflora A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19862 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR59680  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2975 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR214129  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37743 A Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 438 Comment
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  CHSC35508  Clematis pauciflora Jeanne Muro 1972-4-29 39 Riverside 3 mi. SW of Murrieta on Tenaja Rd. 548 Comment
  CLARK-A1528-1779  Cnicus benedictus John C. Roos 1937-4-17 1358 Riverside San Timoteo Canyon Comment
  SDSU13524  Cnicus benedictus W. Miller with C. Mosse 1972-8-9 Riverside Comment
  UCR234409  Cnicus benedictus Kai T. Palenscar 2010-4-3 s.n. Riverside City of Riverside; Santa Ana River, just north of Martha McLean-Anza Narrows Park 217 Comment
  POM305714  Collinsia concolor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1025 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA0117450  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35594 Riverside Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1500 Comment
  RSA0117452  Collinsia concolor Duncan S. Bell, Lucilla Reccia 2010-5-5 965 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  RSA408265  Collinsia heterophylla Anstruther Davidson s.n. Riverside Corona Comment
  RSA797662  Collinsia heterophylla var. heterophylla Robert F. Thorne, E. W. Lathrop 1977-5-18 49766 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  SD211456  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  VVC27  Conium maculatum P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  UC1595730  Convolvulus simulans Steve Boyd and Tim Ross 1991-6-14 6405 Riverside rolling hills just sw jtn of Briggs Rd and Scott Rd (e of Hwy I-215, between Sun City and Murrietta); Paloma Valley Comment
  UCR189583  Convolvulus simulans Ryann Loomis 2006-6-6 017 Riverside Peninsular Range, Perris-Aguanga Basin, 1.2 mi north of northwestern corner of Vail Lake, on peak of Oak Mountain 817 Comment
  UCR189783  Convolvulus simulans Diane Menuz 2006-4-21 049 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, near Mesa de Burro, on and north of Waterline Road 570 Comment
  UCR92353  Conyza bonariensis Scott D. White, S. Ogg 1994-10-17 2462 .2 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA0103568  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8589 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  RSA523515  Coreopsis californica Steve Boyd 1990-3-30 3974 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  UCR102755  Coreopsis californica B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3577 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  POM48930  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-26 8718 Riverside Pine Flats Camp, San Jacinto Mtns. 1677 Comment
  RSA192329  Corethrogyne filaginifolia E. W. Lathrop 1966-9-14 6596 Riverside 3 miles SW of Murrieta. Comment
  RSA783051  Corethrogyne filaginifolia J. D. Olmsted 1959-8-18 795 Riverside By archery range at Desert Sun school near Idyllwild at border of P. pondorosa woodland 1646 Comment
  SD229082  Corethrogyne filaginifolia Dick Schwenkmeyer 2011-8-25 656 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  CLARK-A1528-1782  Corethrogyne filaginifolia var. bernardina John C. Roos 1951-9-25 5272 Riverside Riverside 259 Comment
  UCR158351  Cotula australis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30079 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM1490A  Crassula connata Robinson, Crocker s.n. Riverside Elsinore Region; along edge of lake Comment
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Mar 15 2014
  RSA423452  Crassula connata N. R. Zabriskie 1973-4-5 618 Riverside Mesa S side Andreas stream, Andreas Canyon, E slope San Jacinto Mtns. 304 Comment
  UCR84875  Crassula connata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16132 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UC495323  Crossosoma bigelovii P. A. Munz 1932-4-24 12398 Riverside Snow Creek Canyon San Jacinto Mts. 457 Comment
  SEINET10777953  Croton J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12853 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  OBI26132  Croton californicus David J. Keil 1976-12-12 11911 Riverside 5 mi E of Indio along I-10 Comment
  RSA0034095  Croton californicus Duncan S. Bell 2013-1-30 4455 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA775444  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4446 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  SEINET9255224 Image available Croton californicus J. C. Roos 1965-6-23 Riverside Palm Springs Comment
  SFV2073  Croton californicus M. L. Vincent, R. H. Swade 1963-10-19 465 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UCR116007  Croton californicus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23304 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  RSA0036098  Croton californicus Norman Cooper 1944-4-23 1141 Riverside Cabazon. 457 Comment
  UCR35108  Croton setiger L. B. Ziegler 1974-7-17 531 Riverside Foothills of San Jacinto Mtns, beside Poppet Flat Road 671 Comment
  UCR92255  Crypsis schoenoides Scott D. White, S. Ogg 1994-10-17 2466 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  CSUSB1580  Cryptantha angustifolia I. G. Rauch 1968-4-9 S. N. Riverside Palm Desert Palm Desert, Dead Indian Creek Wash Comment
  POM6571  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-28 2380 Riverside Palm Canyon 183 Comment
  RSA799881  Cryptantha angustifolia D. M. Ray 2011-3-5 8 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SBBG104073  Cryptantha angustifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12111 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  SBBG63615  Cryptantha angustifolia M. N. Ackley -Feb-1926 33 Riverside near Edom 64 Comment
  SEINET241494  Cryptantha angustifolia A. C. Sanders 2001-4-8 23979 Riverside Western Colorado Desert: Coachella Vly, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic A, N of flood ditch 347 Comment
  RSA0123759  Cryptantha barbigera Duncan S. Bell, LeRoy Gross 2016-3-9 s.n. Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  RSA735219  Cryptantha barbigera Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11242 -A Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SEINET3004965  Cryptantha barbigera G. Rink 2011-3-23 10389 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  SDSU20603  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2006-3-27 1006 Riverside Northwest Coachella Valley. Roadside on Intersection of Painted Hills and Worsley Roads, east of SR62. 387 Comment
  JOTR33967  Cryptantha circumscissa var. circumscissa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2853 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  LA204178  Cryptantha circumscissa var. circumscissa Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UCR140302  Cryptantha corollata A. C. Sanders 2004-4-9 27455 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  SD240917  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 132 Comment
  SEINET3005006  Cryptantha costata G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10435 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  RSA0079521  Cryptantha cycloptera Christopher Davidson 1979-4-4 7723 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR194828  Cryptantha decipiens var. corollata Scott D. White 2006-4-27 11286 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  JOTR33758  Cryptantha dumetorum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2756 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA778234  Cryptantha dumetorum Duncan S. Bell 2009-3-8 39 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SEINET1909885  Cryptantha dumetorum A. S. Sanders, K. C. Rose 1995-1 16384 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert: Coachella Valley; S of Mission Creek and W of Hwy 62 (Desert Hot Springs 7.5' Q.) 518 Comment
  HSC3605  Cryptantha flavoculata R. A. Eagle 1964-3-28 19 Riverside 5 mi. out of Palm Springs on the Thunderbird Rd. Comment
  UCR72244  Cryptantha holoptera Theo Glenn 1991-5-30 91- 113 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  CLARK-A1528-332  Cryptantha intermedia Ellen Predmore 1971-5-3 Riverside Gilman Hot Springs 457 Comment
  OBI42563  Cryptantha intermedia A. C. Sanders 1986-6-1 6538 Riverside San Jacinto Mts, along the trl toward Spitler Peak from the Hurkey Crk camp to Bonita Vista Rd (T5S, R3E, N1/2, sec 35) 1707 Comment
  RSA519255  Cryptantha intermedia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  SBBG34718  Cryptantha intermedia T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UC56843  Cryptantha intermedia H. M. Hall 1902-4-26 2991 Riverside vicinity Riverside 365 Comment
  UCR16165  Cryptantha intermedia R. P. Sunderman 1968-4-17 2 Riverside Campus of University of California, Riverside. 396 Comment
  UCR97705  Cryptantha intermedia Scott D. White 1997-2-28 4717 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR97893  Cryptantha intermedia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19848 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR268582  Cryptantha intermedia var. intermedia Jim Andre 2012-6-15 30492 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  POM287673  Cryptantha maritima Lyman Benson 1933-3-31 s.n. Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA0121002  Cryptantha maritima Duncan S. Bell, LeRoy Gross 2016-3-8 8831 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA80738  Cryptantha maritima F. W. Peirson 1927-4-12 7172 Riverside Painted Canyon, near Mecca Comment
  UCR101575  Cryptantha maritima Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR148324  Cryptantha maritima John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCSB41258  Cryptantha micrantha Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  RSA711035  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak. 622 Comment
  UC1595623  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside w flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR44198  Cryptantha muricata A. C. Sanders 1986-6-1 6537 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA699334  Cryptantha nevadensis J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA0079105  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2010-4-2 705 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness. Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  POM72365  Cryptantha racemosa Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  JOTR34074  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2970 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  CLARK-A1528-427  Cucurbita palmata Charlotte Stocks 1964-8-15 Riverside La Quinta Comment
  UCR193908  Cuscuta californica A. C. Sanders, Mitch Provance 2008-7-11 35774 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR100301  Cuscuta californica var. papillosa B. G. Pitzer 1997-4-20 3191 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  SD262267  Cuscuta salina Mitch Provance, John Hazlett 2017-4-27 417 25 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. A short distance along the northeastward SCE transmission route. 384 Comment
  UCR86869  Cycloloma atriplicifolium A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16278 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  SD248376  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas and Kelsey Black 2013-3-24 89 Riverside Ripley 7.5'Q quad. Palo Verde Mesa, 14 km WSW of Blythe. 120 Comment
  CLARK-A1656-743  Cynodon dactylon Theo Glenn 1979-2-10 Riverside Salton Sea Comment
  RSA586812  Cynodon dactylon D. L. Banks, Steve Boyd 1995-5-3 279 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  CAS-BOT-BC114798  Cyperus involucratus A. C. Sanders; G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn, in vicinity of the debris basin, 182 Comment
  RSA577786  Cyperus niger var. capitatus L. C. Wheeler 1932-9-4 1332 Riverside Santa Ana River at Chino Creek. 152 Comment
  SEINET7582457 Image available Cyperus odoratus Mary F. Spencer 1921-7-16 1688 Riverside Soboba Hot Springs near San Jacinto. 579 Comment
  RSA788862  Cyperus squarrosus G. D. Wallace 2003-7-8 4040 Riverside Hidden Lake. Comment
  JOTR35997  Dalea mollis Harding, Mitzi, Mark Wheeler 2012-9-4 208 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  RSA48422  Dalea mollis E. K. Balls 1949-4-12 12907 Riverside Near Durmid on Hwy 111 by Salton Sea. -67 Comment
  POM310161  Dalea mollissima Hulda Crooks 1946-3-2 269 Riverside Palm Springs area. 139 Comment
  RSA796272  Dalea mollissima Jim Andre 2012-4-15 20849 Riverside West end of Hayfield Dry Lake, 0.3 mi. N of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  RSA4963  Dasyochloa pulchella C. B. Wolf 1932-4-27 3034 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
Read comments
Dec 11 2011
  RSA704244  Dasyochloa pulchella Gary D. Wallace 1982-5-15 1997 Riverside Palms to Pines Highway, 7 level hill. Comment
  RSA91543  Dasyochloa pulchella F. W. Peirson 1920-2-16 1546 Riverside South of Palm Springs, arm of Colorado Desert Comment
  CAS-BOT-BC402177  Datisca glomerata R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  POM15049  Datisca glomerata Mary F. Spencer 1922-6-26 1973 Riverside Idyllwild 1524 Comment
  RSA192165  Datisca glomerata E. W. Lathrop 1966-6-1 6364 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  UCR87851  Datisca glomerata Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA518036  Datura discolor Steve D. Boyd, Orlando Mistretta 1986-3-13 1403 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR233152A  Datura discolor Jim Andre, Glenn L. Clifton 2011-2-22 17460 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA619540  Daucus pusillus D. L. Banks 1997-5-5 1989 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR213447  Daucus pusillus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37802 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR260562  Daucus pusillus T. B. Salvato 2015-4-2 8106 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  UCR89859  Daucus pusillus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3324 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CAS-BOT-BC293816  Deinandra fasciculata A. C. Sanders 2004-5-11 27855 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  OBI16266  Deinandra fasciculata Robert F. Hoover 1968-6-6 11151 Riverside 1 mi E of Perris Comment
  CAS-BOT-BC294120  Deinandra kelloggii Virginia Moran 2003-5-22 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  SD186075  Deinandra kelloggii A. C. Sanders, Mike Misenhelter 2005-6-15 31004 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  SD232184  Deinandra mohavensis V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacintio Mountains region: McCall Memorial Park Campground. 1310 Comment
  RSA113904  Delphinium parishii G. R. Campbell 1955-12-6 21500 Riverside Botanic Garden. 457 Comment
  UCD96241  Delphinium parishii H. Lewis; C. Epling 1941-5-7 s.n. Riverside 3 miles north of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  UCR133717  Delphinium parishii N. C. Cooper 1944-4-8 1069 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  JEPS5903  Delphinium parryi W. L. Jepson May 17 1901-Jun 1 1901 1221 Riverside Riverside Comment
  RSA618173  Delphinium parryi D. L. Banks 1997-5-5 2013 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR4123  Delphinium parryi Ronald M. Cope 1965-5-3 s.n. Riverside Box Springs Mtns., west side of road between Pigeon Pass Road and 'Big C', about 1 mi from 'C 610 Comment
  OBI32515  Delphinium parryi subsp. parryi Steve Boyd 1978-4-29 780429 -01 Riverside Along hwy 74, 1.5 mi N of lake Elsinore Comment
  RSA798761  Delphinium parryi subsp. parryi Jason Koontz, Jennifer Pilapil 2012-5-18 290 Riverside Hemet. Bautista Road, just north of where it crosses Bautista Creek. Near (northwest of) De Anza trail parking area. North-north east-facing slope. 672 Comment
  RSA0020477  Delphinium parryi subsp. parryi P. A. Munz 1922-6-24 5795 Riverside Pipe Creek, Hemet Valley 1463 Comment
  UCR240654  Delphinium patens Tracy Tennant, Mitch Provance 1998-6-16 MOR- 411 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA433551  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1437 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA433552  Dendromecon rigida subsp. rigida N. C. Cooper 1944-7-15 1599 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  RSA523495  Dendromecon rigida subsp. rigida Steve Boyd, L. Arnseth, Tim Ross 1990-3-30 3955 Riverside Vail Lake Area, granitic ridge at S end of Black Hills S of Big Oak Mtn. 732 Comment
  RSA760321  Deschampsia danthonioides R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55219 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  RSA777344  Descurainia pinnata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4708 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65120 604 Comment
  RSA502502  Dicentra chrysantha Steve Boyd 1989-6-11 3722 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  UCR281800  Dicentra chrysantha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-24 517- 127 Riverside Menifee Valley, Menifee, S. side of Bundy Canyon Rd., vicinity of 'Moss Road'. 527 Comment
  UC3251  Dichelostemma capitatum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains Comment
  UCSB840  Dichelostemma capitatum Kamb, Peter 1947-6-8 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  SEINET232554  Dichelostemma capitatum subsp. capitatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountians 1 mi up Bee Canyon off of Hwy 74 457 Comment
  UCR137502  Dichelostemma capitatum subsp. capitatum D. L. Banks, V. W. Steinmann 1997-3-13 1484 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA524231  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4025 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CAS-BOT-BC292192  Dicoria canescens Alice Eastwood 1913-4-30 3110 Riverside Palm Springs Comment
  UC402678  Dicoria canescens Mrs. L. S. Masters 1901-6-20 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  RSA0019288  Diplacus brevipes LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6155 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  RSA0019284  Diplacus brevipes N. C. Cooper 1944-6-17 1424 -A Riverside San Jacinto Mtns. above Banning. 1220 Comment
  CAS-BOT-BC150677  Diplacus longiflorus Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC150869  Diplacus puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan Hills 457 Comment
  RSA0019296  Diplacus puniceus Steve D. Boyd, Aydee Virgen 2004-4-13 10850 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR72465  Diplotaxis tenuifolia Michael A. Patten 1992-5-27 92- 20 Riverside Green River Golf Club, near San Bernardino and Orange county lines 131 Comment
  SEINET7248342 Image available Distichlis spicata Duncan S. Bell, Evan Meyer 2014-1 6493 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; Canyon Spring. 367 Comment
  UCR2330  Distichlis spicata F. M. Reed 1906-4-29 944 Riverside Riverside, in the Santa Ana River bottom near the racetrack below Chinatown 244 Comment
  GMDRC3545  Ditaxis californica J. Andre, T. La Doux 2009-2-25 10802 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  CLARK-A1045-148  Ditaxis neomexicana George K. Helmkamp 1978-4-1 Riverside Deep Canyon Palm Desert 15'Q Comment
  RSA162746  Dithyrea californica John Olmsted 1958-3-29 79 Riverside Transtion zone with interior drainage into Pinto BAsin 10miles N of jct between Cottonwood Pass and Cottonwood Spring Roads on the former which has now becom Pinto Basin Road, Joshua Tree National Monument. 549 Comment
  RSA530738  Dithyrea californica Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  RSA651835  Dithyrea californica R. J. Silva 1949-2-12 s.n. Riverside Found: 1000 Palm Canyon. 762 Comment
  UCD84928  Dithyrea californica Chuck Hughes 2010-3-21 200 Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  SBBG103911  Dodecatheon clevelandii S. D. White 1993-4-20 1213 Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  UCR48356  Dodecatheon clevelandii Steve Boyd 1986-3-9 1401 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  UCR113630  Downingia cuspidata June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  PASA303  Downingia immaculata Frank W. Peirson 1922-4-29 Riverside Field south of Lake Elsinore 380 Comment
  CAS-BOT-BC41634  Draba corrugata var. saxosa Philip A. Munz 1922-7-7 6043 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3285 Comment
  POM183961  Draba cuneifolia var. integrifolia P. A. Munz 1932-3-15 12009 Riverside Deep Canyon, Coachella Valley. 91 Comment
  CAS-BOT-BC157798  Drymocallis lactea var. lactea Edmund C. Jaeger s.n. Riverside [Taequitz] Tahquitz, San Jacinto Mts. Comment
  RSA115730  Dryopteris arguta Lucille Weight 1957-1 s.n. Riverside north Malapai Hill, Joshua Tree National Monument, southern end of Mojave Desert Comment
  SD138002  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., south of Dripping Springs Alcove, east of Woodchuck Trail Comment
  UCR262566  Dryopteris arguta T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3755 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  JOTR30636  Dudleya saxosa subsp. aloides La Doux, Tasha, Erin Babich 2008-4-21 1799 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  POM311207  Dudleya saxosa subsp. aloides Karen Hosterman 1957-3-27 944 Riverside 1/2 mi. up Whitewater Canyon. Comment
  RSA201898  Dudleya saxosa subsp. aloides W. L. Jepson 1914-05 6011 Riverside W slope beyond Pinyon Well, N of Indio, Lookout Mt. Comment
  RSA776823  Dudleya saxosa subsp. aloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. Comment
  UCR242720  Dysphania pumilio A. C. Sanders 2013-7-6 40841 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  POM356485  Dyssodia cooperi Robert Kessler 1927-05 s.n. Riverside Colorado Desert. Comment
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Nov 13 2011
  JOTR31007  Echinocereus triglochidiatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1292 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  SEINET3082987 Image available Echinocystis macrocarpa Norman C. Cooper 1947-4-4 2026 Riverside Los Alamos Canyon, Elsinore. Comment
  SD90489  Eleocharis bella Robert F. Thorne, E. Lathrop et al. 1969-5-19 37954 Riverside Santa Rosa Plateau: north end of large vernal marsh, Mesa de Colorado, Rancho California 625 Comment
  RSA381084  Eleocharis montevidensis Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61177 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA180419  Eleocharis montevidensis var. montevidensis E. W. Lathrop 1964-5-24 5244 Riverside 8 miles west of Murrieta Comment
  POM14331  Eleocharis palustris Phillip A. Munz, I. M. Johnston 1922-5-18 5323 Riverside 1/2 mile south of Lake Elsinore. Comment
  SEINET3127271  Eleocharis parishii S. B. Parish 1907-4-22 6145 Riverside Western border of Colorado desert 200 Comment
  UCR123661  Eleusine indica A. C. Sanders 2001-9-23 24877 Riverside San Bernardino Valley region, Riverside, Castle Park in La Sierra, 91 Fwy at Polk St. 220 Comment
  UCR20459  Eleusine indica John C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside, in moist clay garden 259 Comment
  UCR174252  Elymus condensatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32500 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SEINET251712  Elymus glaucus Unknown 2004-5-27 646 Riverside San Bernadino Mountains; Head of Banning (San Gorgonio River) Canyon close to the San Bernadino Co. line, 0.5 mi SE of Oak Glen Conservation Camp (Forest Falls 7.5' Q). 1402 Comment
  UCR20448  Elymus glaucus E. W. Lathrop 1966-4-13 6172 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  CAS-BOT-BC206528  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2097 Riverside Slopes and benches of the south side - San Jacinto Mountains 1463 Comment
  UCR252007  Elymus hispidus A. C. Sanders, T. B. Salvato 2014-7-2 41185 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UC37038  Elymus trachycaulus H. M. Hall 1901-7-1 2541 Riverside Fuller's Mill Mts. San Jacinto Mountains 1798 Comment
  NY411116  Emex spinosa N. D. Atwood 1993-3-27 17696 Riverside Corona Del Mar State park along Newport Coast Drive. 0.0 Comment
Read comments
Jul 14 2012
  RSA401445A  Emmenanthe penduliflora J. Jones, Christopher Davidson 1980-4-4 9941 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  SD4053  Emmenanthe penduliflora Fidella G. Woodcock 1928-3-15 Riverside Palm Springs (mak 7/07) Comment
  UCR135993  Emmenanthe penduliflora Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  CAS-BOT-BC131167  Encelia actoni J. Cole 1942-5-19 969 Riverside White Tanks, Joshua Tree National Monument 1280 Comment
  POM182214  Encelia actoni P. A. Munz 1932-4-24 12399 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  CAS-BOT-BC131320  Encelia farinosa G. P. Rixford 1915-4-3 s.n. Riverside Riverside 426 Comment
  CAS-BOT-BC131344  Encelia farinosa L. R. Abrams 1926-3-26 11079 Riverside Palm Canyon Comment
  CHSC109007  Encelia farinosa Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4540 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  CHSC46063  Encelia farinosa Troy Griffiths 1988-4-1 104 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 45 Comment
  HSC5481  Encelia farinosa C. L. Hitchcock, C. V. Muhlick 1964-3-17 23077 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  JEPS59916  Encelia farinosa Lewis S. Rose 1967-12-19 67180 Riverside La Quinta 15 Comment
  RSA739853  Encelia farinosa J. L. Strother 2008-3-10 1368 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  UC895515  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado Desert Comment
  UCD20080  Encelia farinosa Donald W. Kyhos 1965-5-11 65 -213 Riverside 14.9 miles north of junction of Hwy 95 and Hwy 60-70, on Hwy 95. Comment
  UCR245234  Encelia farinosa Jim Andre 2012-3-19 21324 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR90979  Encelia farinosa Scott D. White 1996-3-16 3825 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA770791  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4532 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305 487 Comment
  JOTR31179  Ephedra nevadensis La Doux, Tasha, G. Clifton 2009-5-14 1976 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  RSA3984  Ephedra trifurca C. B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  SEINET3867763  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6477 Riverside Rice Valley, 30 miles south-southwest of Rice.; 0 244 Comment
  UCR266261  Epilobium brachycarpum D. E. Bramlet 2006-8-11 4044 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  UCR252213  Epilobium canum J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  UC205218  Epilobium canum subsp. latifolium E. M. Fultz Sep. 1917 Riverside Idyllwild San Jacinto Mts. Comment
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Mar 21 2011
  UCR129331  Epilobium canum subsp. latifolium C. B. Wolf 1932-10-12 04299 Riverside Sonoran (Colorado) Desert, Pinyon Well, Little San Bernardino Mtns. 1220 Comment
  UCR129332  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Mtns., Cottonwood Springs, Joshua Tree National Monument 915 Comment
  UCR54427  Epilobium canum subsp. latifolium A. C. Sanders, E. J. Lawlor 1988-10-22 8734 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  UCR174239  Epilobium ciliatum A. C. Sanders, T. B. Salvato 2006-6-2 33081 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  POM3143  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  RSA680526  Epilobium ciliatum subsp. ciliatum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8647 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek, i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  CDA38119  Epilobium ciliatum subsp. glandulosum R. F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38157 Riverside San Jacinto Mtns; San Bernardino National Forest. Lake Fulmor; near outlet of lake. Comment
  UC64473  Epilobium densiflorum H. M. Hall June 1901 2292 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1600 Comment
  POM15057  Epilobium glaberrimum subsp. glaberrimum Mary F. Spencer 1922-6-27 1238 Riverside Dutch Flat, San Jacinto Mountains. Comment
  RSA588572  Epilobium glaberrimum subsp. glaberrimum E. C. Jaeger 1921-7-1 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  UC162736  Epilobium glaberrimum subsp. glaberrimum H. M. Hall 1896-9-3 323 Riverside San Jacinto Mountains Comment
  RSA607567  Epipactis gigantea Louis C. Wheeler 1964-6-19 8487 Riverside Chino Creek, oasis near Palm Springs. Comment
  CLARK-A1528-24  Equisetum arvense Ruth Cooper 1952-9-12 635 f Riverside Riverside Comment
  RSA607913  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains: Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  RSA520081  Equisetum laevigatum Steve Boyd, Dave Bramlet 1988-10-8 2871 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SD132541  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Riverside, Fairmount Park, west end 259 Comment
  UCR111610  Eragrostis cilianensis Scott D. White 1995-7-7 3443 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCSB51406  Eragrostis curvula Roos, John 1965-9-16 Riverside Lakeview Comment
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Sep 19 2018
  UCSB51400  Eragrostis mexicana Roos, John 1965-7-7 Riverside San Jacinto Comment
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Mar 10 2013
  UCD64456  Eragrostis pectinacea Collector Unknown 1949-8-1 Riverside Riverside County. Comment
  UCSB38377  Eragrostis pilosa Frederick Morris Reed 1903-11-30 662 Riverside collected in Riverside Comment
  CLARK-A1528-3221  Eremalche exilis John C. Roos 1949-3-19 4115 Riverside Indio Comment
  RSA584898  Eremalche exilis C. Reiser 1991-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park, northwestern corner of Park south of harford Spring and north od trailer park. 579 Comment
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Mar 4 2013
  UC1922542  Eremalche exilis Michael Honer, Theresa Miller 2005-3-11 2065 Riverside Colorado Desert; Northeastern Colorado Desert region: Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E. of ATSF railway. Comment
  RSA23236  Eremalche rotundifolia Ernest Braunton 1940-3-4 2026 Riverside 5 mi. East of Shaver s Well. Comment
  UCR196386  Eremalche rotundifolia Naomi Fraga, Lisa Rojas 2005-2-10 1408 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  SBBG6284  Eremocarya micrantha T. L. Secrest 1948-4-7 Riverside 2 mi S of Desert Hot Springs 213 Comment
  SBBG60375  Eremothera boothii subsp. alyssoides M. N. Ackley -Feb-1926 768 Riverside entrance to Painted Cyn Comment
  OBI66290  Eremothera refracta LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1409 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region: Corn Springs campground in the Chuckwalla Mts, Cyn SW of campground 480 Comment
  RSA0043061  Eremothera refracta Jim Andre 2014-1-27 26664 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  UCR126207  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mtns., Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 683 Comment
  CLARK-A1528-3804  Eriastrum densifolium subsp. mohavense John C. Roos 1943-5-23 2661 Riverside Little San Bernardino Mountains Comment
  UCR50890  Eriastrum eremicum A. C. Sanders 1988-5-11 7810 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCR6145  Eriastrum eremicum C. M. Bringle, H. Johnston 1967-5-13 B670513- 7 Riverside Sonoran (Colorado) Desert, Between Sky Valley and N Palm Springs on Dillon Rd., exact;y 3 mi. south of Bennett Rd. intersection, where Little San Bernardino Mtns. come within 100 ft of Dillon Rd. Both sides of road 152 Comment
  CAS-BOT-BC514471  Eriastrum eremicum subsp. eremicum K. Larson 1976-6-8 2041 Riverside 20 mi SW of Desert Center 609 Comment
  RSA0120086  Eriastrum eremicum subsp. eremicum P. A. Munz 1937-5-29 15148 Riverside Palms to Pines Highway, Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA0120094  Eriastrum eremicum subsp. eremicum Ernest Braunton 1940-3-4 2027 Riverside 5 mi. East of Shaver's Well. Comment
  JEPS19180  Ericameria cooperi var. cooperi W. L. Jepson 1928-4-25 12642 Riverside White Tank Mohave Desert, White Tank 1371 Comment
  CAS-BOT-BC287511  Ericameria linearifolia H. M. Hall 1899-5-1 1140 Riverside At Kenworthy Comment
  LA202466  Ericameria linearifolia Martha Hilend Kinsey; 1935-3-31 sn Riverside Mission Canyon Comment
  RSA0123159  Ericameria linearifolia Duncan S. Bell, LeRoy Gross 2016-3-30 9157 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA500083  Ericameria linearifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3229 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  SD128372  Ericameria linearifolia R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2065 Riverside Slopes along Coyote Canyon Road, Terwilliger Valley. 900 Comment
  UCR101569  Ericameria linearifolia Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  POM359440  Ericameria palmeri var. pachylepis Albert J. Perkins 1915-9-25 s.n. Riverside Pachappa Mt Comment
  UC322979  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  UCR220009  Ericameria palmeri var. pachylepis A. C. Sanders, D. L. Sanders 2010-11-28 38694 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  CAS-BOT-BC299536  Ericameria paniculata W R O 1973-9-23 73 -641 Riverside 1/4 mile south of aquaduct road on road to gravel pit N.E. of Granite Mtn. Comment
  JOTR33713  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  RSA305669  Ericameria pinifolia C. W. Tilforth, Walter Wisura 1979-10-11 1917 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley 1341 Comment
  SEINET10617402  Erigeron breweri David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20756 Riverside Along Hwy. 74 W of the Jct. rd. to Idyllwild, 11 mi. W, at the lower edge of the coulter Pines and near the chaparral. Decomp. granite. Comment
  SD63734  Erigeron breweri var. covillei Peta Mudie 1965-7-5 490 Riverside Dry southwest slope, northwest side of Santa Rosa Mtn. on unpaved road from highway 74 to Nat. Forest camp site. 1000 Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA683094  Erigeron foliosus var. foliosus Scott D. White, Teresa B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8659 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA180465  Erigeron foliosus var. stenophyllus E. W. Lathrop 1960-5-20 4805 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  SEINET10781259  Eriodictyon J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12846 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  CAS-BOT-BC189075  Eriodictyon crassifolium W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canon [Canyon], near Palm Springs Comment
  RSA766538  Eriodictyon crassifolium Scott D. White, Angelia Carey 2004-4-5 10007 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC455938  Eriodictyon crassifolium var. crassifolium I. J. Condit 1910-6-24 Riverside San Jacinto Mts. Comment
  UCR17809  Eriodictyon crassifolium var. crassifolium O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  UCR110967  Eriodictyon trichocalyx George K. Helmkamp 1998-6-27 4098 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR140876  Eriodictyon trichocalyx subsp. lanatum Chris E. True 2004-8-3 s.n. Riverside Santa Rosa mtns., Santa Rosa Mtn. Road, 0.3 mi. (air) SE of Mountain Home Spring 2134 Comment
  SD86300  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north north-west of Idyllwild, 8.9 miles north of the junction with highway 74, and 1 mile south of Alandale Ranger Station Comment
  UCR26508  Eriogonum apiculatum A. C. Sanders, J. A. Harpel 1981-8-26 2333 Riverside Santa Rosa Mtns., About 100 ft below the summit of Toro Peak 2622 Comment
  JOTR37478  Eriogonum baileyi var. baileyi Hodges, Stephen, T. Green 2016-5-5 599 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  RSA393466  Eriogonum davidsonii N. C. Cooper 1944-5-20 1231 Riverside Pine Flats, Palms to Pines Highway. 1220 Comment
  UC667357  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-20 2205 Riverside Eagle Mountain Pumping Station Road Eagle Mountains, Eagle Mountain Pumping Station Road 411 Comment
  SEINET11937895  Eriogonum deflexum var. deflexum L. S. Rose 1936-1 36824 Riverside Hayfield, 5 mi W of Desert Center 610 Comment
  SD122175  Eriogonum elongatum var. elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch, next to road 380 Comment
  CAS-BOT-BC249953  Eriogonum fasciculatum var. foliolosum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring [Springs] 60 Comment
  RSA613164  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  RSA650860  Eriogonum fasciculatum var. polifolium G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  UCD100065  Eriogonum fasciculatum var. polifolium Collector unknown 1923-3-26 344 Riverside near Tahquitz Wash. Comment
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Feb 17 2013
  UCR194207  Eriogonum gracile Scott D. White, Angelia Carey 2004-6-4 10468 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA735613  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3576 -b Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  CAS-BOT-BC257578  Eriogonum inflatum Peter Kamb 1948-4-11 882 Riverside Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  JOTR35085  Eriogonum inflatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3536 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  RSA766091  Eriogonum inflatum Joseph A. Ewan 1929-3-23 181 Riverside Whitewater Canyon, W. Colorado Desert. 488 Comment
  RSA487230  Eriogonum molestum James L. Reveal, C. Rose Broome 1987-6-27 6605 Riverside San Jacinto Mountains, along California Highway 243, 0.4 mile northwest of Lake Fulmor, about 13.8 miles northwest of Idyllwild. 1601 Comment
  UC6361  Eriogonum molestum H. M. Hall July 1901 2624 a Riverside pine forests in vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  CAS-BOT-BC269787  Eriogonum nudum var. pauciflorum James L. Reveal; Caroline G. Reveal 1972-8-9 2869 Riverside San Jacinto Mountains, along California Highway 243, about 0.1 mile northwest of the Vista Grande Ranger Station at the turnoff to Indian Creek Comment
  CAS-BOT-BC269789  Eriogonum nudum var. pauciflorum Louis C. Wheeler 1931-10-4 219 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  RSA0094093  Eriogonum nudum var. pauciflorum Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8719 Riverside Santa Rosa Mountains; along forest service road, approximately 0.5 air mile northwest of the summit of Santa Rosa Mountain, just above Santa Rosa Spring. 2245 Comment
  CLARK-A1528-3682  Eriogonum parishii Robin Lynn Kobaly 1977-8-26 Riverside Comment
  POM14061  Eriogonum pusillum P. A. Munz, D. D. Keck 1922-4-14 5002 Riverside East of Whitwater Ranch 213 Comment
  SBBG118  Eriogonum pusillum L. Rowntree 1928-3-20 Riverside Morongo Valley, N of Palm Springs Comment
  UCD100856  Eriogonum pusillum A. C. Sanders; K. Rose, D. Woodard 1995-3-22 16211 Riverside Coachella Valley, mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 370 Comment
  RSA424915  Eriogonum saxatile Christopher Davidson 1978-6-15 7396 b Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UCR243512  Eriogonum saxatile Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  HSC79212  Eriogonum thomasii A. C. Sanders 1985-3-24 5407 Riverside Coachella Valley, on floor of Box Canyon 9 mi. NE of Mecca on Hwy. 195 122 Comment
  UC310593  Eriogonum thomasii Philip A. Munz 1926-1-31 9971 Riverside Dos Palmos Spring Colorado Desert, Dos Palmos Spring Comment
  JEPS56273  Eriogonum thurberi W. L. Jepson 1901-5-22 1401 Riverside Palm Canyon Mt. San Jacinto, Palm Canyon Comment
  RSA736288  Eriogonum thurberi Scott D. White, Justin M. Wood 2008-5-13 11958 Riverside Perris Basin: I-215 freeway right of way. South of Scott Rd. Comment
  SEINET6894828  Eriogonum thurberi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  UCR246556  Eriogonum trichopes Duncan S. Bell 2009-4-19 269 Riverside Arica Mountains, west side of range, c. 2.5 air miles SW of Priests Well 391 Comment
  CAS-BOT-BC268190  Eriogonum umbellatum var. munzii James L. Reveal; Caroline G. Reveal 1972-8-9 2859 Riverside San Jacinto Mountains, along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74 and 1.2 miles south of Alandale Ranger Station Comment
  RSA639640  Eriogonum wrightii var. nodosum Robert F. Thorne 1966-10-15 41793 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  CDA21219  Erioneuron pulchellum G. F. Hrusa, J. A. Hart 1993-4-4 10595 Riverside Cholla Garden, Joshua Tree N.M. Comment
  JOTR30677  Erioneuron pulchellum La Doux, Tasha, Jim Andre 2008-9-13 272 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 Comment
  UCR123838  Eriophyllum ambiguum var. ambiguum Steven R. Hill 2001-5-3 33680 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  SJSU4297  Eriophyllum ambiguum var. paleaceum G. B. Youngberg 1956-3-28 195 Riverside Palm Canyon near Palm Springs 228 Comment
  UC111317  Eriophyllum ambiguum var. paleaceum S. B. Parish 1907-4-18 6088 Riverside w edge of Colorado Desert; , West Canyon 200 Comment
  CAS-BOT-BC297354  Eriophyllum confertiflorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23106 Riverside 10 miles N of Pala, on road to Elsinore Comment
  POM357953  Eriophyllum confertiflorum George R. Johnston 1930-6-13 s.n. Riverside Indio Canyon, Ravenna. 1067 Comment
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Nov 8 2011
  UCR251868  Eriophyllum confertiflorum M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  CAS-BOT-BC301785  Eriophyllum multicaule L. R. Abrams 1935-4-7 13671 Riverside Gavilan Hills, 2 mi. SW. of Perris Comment
  POM359848  Eriophyllum multicaule Steve Boyd 1986-4-2 1638 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 610 Comment
  RSA0042658  Eriophyllum wallacei Elliott Waite 1950-4-29 s.n. Riverside Cranton [Cranston] Ranger Station, San Berdo [Bernardino] Natl Forest. 609 Comment
  RSA678971  Erodium botrys Scott D. White, Michael Honer 2003-6-3 9457 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR120912  Erodium brachycarpum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24950 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR199916  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass, Banning: south of Union Pacific RR, powerline route from Sunset Ave to 1 mile west 762 Comment
  UCR269900  Erodium brachycarpum D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3655 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA0009847  Erodium texanum Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  UCR113636  Eryngium aristulatum var. parishii June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  UCR154538  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-18 711 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  POM261825  Erysimum capitatum var. capitatum Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles from Pinyon Flat public camp on road to Hemet on State Highway 74. Comment
  RSA5218  Erysimum capitatum var. capitatum C. B. Wolf 1932-8-4 3910 Riverside Near Point View, near Idyllwild. San Jacinto Mtns. 1646 Comment
  RSA0016059  Erythranthe breweri Gary D. Wallace 2003-7-8 4036 Riverside Hidden Lake. Comment
  JOTR32897  Eschscholzia La Doux, Tasha 2008-2-4 2940 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA0022937  Eschscholzia androuxii Robert F. Thorne, Raymond Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55436 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR172715  Eschscholzia californica Jun Hu 2000-5-11 22 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  CAS-BOT-BC83136  Eschscholzia minutiflora Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2116 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  SD225053  Eschscholzia minutiflora G. K. Helmkamp 1998-4-4 3133 Riverside Southern Mojave Deset: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center- Rice Rd.) 474 Comment
  RSA0124034  Eschscholzia papastillii Duncan S. Bell, LeRoy Gross 2016-3-10 8879 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  SD48468  Eschscholzia papastillii P. C. Everett, E. K. Balls 1958-4-29 23013 Riverside U. S. Highway 60/70, Indio to Blythe, 1.0 mile west of Cactus City. 548 Comment
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Mar 20 2011
  SD49372  Eschscholzia papastillii Thomas W. Whitaker 1958-4-30 Riverside Box Canon, midway between Mecca and Shaver Well Comment
  UCD96502  Eschscholzia papastillii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 513 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  CAS-BOT-BC419644  Eschscholzia parishii S. B. Parish 1907-4-1 6103 Riverside Whitewater, Colorado Desert Comment
  CSUSB959  Eschscholzia parishii Glen W. Forister 1967-3-23 Riverside Cottonwood Canyon. Found along the side of the stream on the west-facing bank of the hill, about 0.5 mile past the end of the good road. 609 Comment
  UC855198  Eschscholzia parishii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs Comment
  UCSB8552  Eschscholzia parishii Walker, Clifford 1954-4-10 Riverside Mouth of White Water Canyon Comment
  UCR260594  Eucalyptus A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41554 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  UCD103197  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside Riverside. UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on E side of campus. 335 Comment
  RSA709795  Eucrypta chrysanthemifolia A. C. Sanders 2004-5-5 27770 Riverside Gavilan Hills: Route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  RSA715758  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SD140093  Eucrypta chrysanthemifolia Scott White 1993-4-22 1265 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  RSA0121597  Eucrypta micrantha Duncan S. Bell, LeRoy Gross 2016-3-29 9105 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  SDSU12868  Eulobus californicus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 21 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  RSA627507  Euonymus occidentalis var. parishii Scott D. White 1998-7-31 6946 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UCR127148  Euphorbia albomarginata A. C. Sanders, Guy Bruyea 2003-6-12 26896 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  JOTR35154  Euphorbia eriantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3266 Riverside Joshua Tree National Park. West Cottonwood Mountains; side canyon feeding into east Pinkham Wash; steep, cobbley, east facing slope above bouldery canyon (Stop 5) Comment
  RSA735323  Euphorbia eriantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11262 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
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Jun 20 2011
  UCR264217  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-9-10 41864 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR282351  Euphorbia micromera Mitch Provance, Scott Duff 2017-9-7 917- 06 Riverside Colorado Desert, Thousand Palms, SCE corridor, 0.3 miles south of Ramon Substation 59 Comment
  SDSU3704  Euphorbia polycarpa Marjorie Collier 1951-3-25 M 288 Riverside Just north of Palm Springs on State Hwy 111. Comment
  UCR84060  Euphorbia prostrata A. C. Sanders, L. Ard 1994-7-11 15061 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  UCR264236  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41843 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  RSA604410  Eustoma exaltatum Louis C. Wheeler 1932-9-4 1338 Riverside Santa Ana River at Chino Creek 183 Comment
  JEPS20778  Fagonia laevis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13236 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  JOTR16867  Fagonia laevis Vanderspek & Youse 1964-4-19 64516 Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA11580  Fagonia laevis N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  RSA480018  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2147 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UC1212089  Fagonia laevis Peter M. Ray 1949-3-6 1328 Riverside near 1000 Palms (Willis Palms); Coachella Valley Comment
  UC667351  Fagonia laevis Annie M. Alexander and Louise Kellogg 1941-5-26 2235 Riverside n wall Munsen Canyon; Eagle Mts. 822 Comment
  UC867876  Fagonia laevis C. L. Hitchcock 1940-4-2 5920 Riverside Cottonwood Springs wash; Joshua Tree National Monument Comment
  RSA391111  Fagonia pachyacantha W. Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  UCR279525  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-29 43188 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR88292  Ferocactus cylindraceus A. C. Sanders, K. C. Rose 1995-4-5 16380 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR97450  Festuca octoflora A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19681 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  SEINET7048181  Filago californica Steven R. Hill 2001-5-3 33690 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA198971  Filago gallica R. F. Thorne, E. W. Lathrop 1968-5-8 37577 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  RSA464881  Forestiera pubescens Bonnie C. Templeton 1930-4-15 1476 Riverside Near Gavilan Peak. 500 Comment
  CHSC629  Fouquieria splendens V. Holt 1942-3-28 Riverside Indio. -6 Comment
  UCR260831  Fouquieria splendens A. C. Sanders, Jim Malusa 2015-3-10 41388 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, between Bradshaw Trail and Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 576 Comment
  UCR26250  Fouquieria splendens John C. Roos 1937-4-28 1288 Riverside Sonoran (Colorado) Desert, 35 mi. west of Desert Center [near Cactus City] Comment
  RSA748657  Fragaria vesca Justin M. Wood, Brandy Wood 2009-6-13 885 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  RSA0018446  Fragaria vesca Elbert Benjamine 1929-5-19 213 Riverside Mount San Jacinto. Comment
  RSA0018949  Fragaria vesca Robert Gustafson 1985-5-20 3116 Riverside San Jacinto Mountains, R-1, between Lake Fulmar and Allandale. Comment
  CAS-BOT-BC454536  Fragaria vesca subsp. californica Tom Paradise 1993-5-22 18 Riverside James San Jacinto Mountains Reserve. 1/2 mile East of Highway 243, near Lake Fulmor Comment
  RSA652638  Frangula californica subsp. californica Jerry Wilk 1969-5-24 s.n. Riverside 10 mi. past Lake Fillmore towards [Idyllwild]. Comment
  RSA6011  Frasera parryi Carl B. Wolf 1932-8-4 3928 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA160521  Fraxinus dipetala J. D. Olmsted 1959-4-23 468 Riverside Spring Trail at Beacon Pines Ranch, 9 miles SW of Corona; Santa Ana Mts. Drainage area: Santa Ana river. 793 Comment
  UCR5585  Fraxinus pennsylvanica subsp. velutina O. F. Clarke 1966-10-5 661005- 40 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  RSA717477  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11133 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  POM13098  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1922-5-20 5487 Riverside Mouth of Pipe Creek, Hemet Valley 1433 Comment
  RSA771883  Fritillaria biflora Steve Boyd 2010-5-28 12283 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 Comment
  UCR256795  Galium angustifolium T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7871 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA33783  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-5-19 1300 Riverside Banning. 701 Comment
  UCR21952  Galium angustifolium subsp. angustifolium Steve Boyd 1980-5-11 246 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  SEINET7048169  Galium angustifolium subsp. jacinticum Steven R. Hill 2001-5-3 33675 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA263735  Galium aparine E. W. Lathrop 1968-5-22 6918 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR139041  Galium aparine D. L. Banks 1997-3-6 1397 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  UCR147543  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1279 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UC1562808  Galium parishii Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-6 7431 Riverside head of Andreas Canyon San Jacinto Mts., Red Tahquitz Peak (n side of peak, w edge of barren bowl of decomposed granite nw of steep ridge) 2438 Comment
  RSA0117106  Galium porrigens Mitch Provance 2011-6-3 611 -01 Riverside Badlands of Western Riverside County: Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy 60. 756 Comment
  UCR187499  Galium porrigens Theresa Johnson 2006-5-11 106 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  UCD170418  Galium porrigens var. porrigens D. O. Burge 2017-3-12 2225 Riverside Alvin Meadows. 1435 Comment
  UC666516  Galium stellatum var. eremicum Annie M. Alexander and Louise Kellogg 1941-5-18 2200 a Riverside n slope Colorado Desert, Eagle Mountains 1066 Comment
  RSA46491  Galium trifidum Doris K. Kildale 1925-7-28 1098 Riverside Riverside. 46 Comment
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Mar 22 2014
  CLARK-A1528-2935  Garrya flavescens John C. Roos 1966-4-23 Riverside Santa Ana Mountains Comment
  SD229183  Garrya flavescens Dick Schwenkmeyer 2012-8-6 769 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UC774631  Garrya flavescens Carl B. Wolf 1939-1-20 Riverside e side Santa Ana Mts. (along Eagle Motor Way, 1 mi below summit) 914 Comment
  RSA11403  Garrya flavescens var. pallida C. Epling 1932-5-28 s.n. Riverside Perris-Hemet. Comment
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR92793  Gazania longiscapa Scott D. White 1994-3-29 1932 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CHSC23885  Geraea canescens T. M. Lane 1975-3-24 3 Riverside In a wash, 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  OBI26134  Geraea canescens David J. Keil 1976-12-12 11914 Riverside 5 mi E of Indio along I-10 Comment
  UC1922402  Geraea canescens Naomi Fraga, Lisa Rojas 2005-2-10 1405 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC896831  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin Comment
  UC896837  Geraea canescens N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Coachella Comment
  RSA343100  Geranium dissectum Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60636 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  UCR43784  Geranium dissectum R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60636 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  UCR118398  Gilia A. C. Sanders 1994-5-29 14560 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  SD119885  Gilia achilleifolia Louis B. Ziegler 1972-6-5 474 Riverside San Jacinito Mountains. In a Canyon at the lower end of Poppet Flats. In full sun and semi shade. 1067 Comment
  SEINET156054  Gilia achilleifolia Norman C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon. 1220 Comment
  CLARK-A1528-3499  Gilia achilleifolia subsp. multicaulis John C. Roos 1940-4-20 903 Riverside Reche Canyon Comment
  SEINET7063416  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-29 s.n. Riverside About 6.2 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481169mE, 3727240mN. (WGS84/NAD83). 434 Comment
  SEINET14623536  Gilia achilleifolia subsp. multicaulis H. M. Hall 1903-1 3726 Riverside Vicinity of Riverside Comment
  RSA501034  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3155 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA678447  Gilia angelensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10457 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC564016  Gilia angelensis L. R. Abrams 1935-4-7 13676 Riverside 2 mi sw Perris (Gavilan Hills); , sw of Perris Comment
  UCR169785  Gilia angelensis Scott D. White, Michael Honer 2003-4-25 9114 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  JEPS4115  Gilia diegensis W. L. Jepson 1939-4-19 19204 Riverside 3 mi s Aguanga; s <of> Aguanga Comment
  POM13097  Gilia diegensis P. A. Munz, I. M. Johnston 1922-5-20 5484 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  CAS-BOT-BC407613  Gilia ochroleuca subsp. exilis Verne Grant; Alva Grant 1951-7-22 16107 Riverside San Jacinto Mts., 1 mile N of Fulmor Lake on road from Idyllwile to Banning 1371 Comment
  CAS-BOT-BC407802  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA0016200  Gilia ochroleuca subsp. exilis Scott D. White, Bill La Haye 2000-5-27 7960 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UC908023  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside 1 mi s Temecula; Temecula Canyon, s of Temecula Comment
  UCR163229  Gilia sinuata S. I. Morita, Nancy Storms 1998-4-30 04 Riverside NE San Diego Co near border between Anza Borrego State Park and Santa Rosa Wilderness area, Rock House canyon 716 Comment
  UCR19801  Gilia splendens W. W. Mayhew 1977-7-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR87927  Gilia splendens A. C. Sanders 1994-5-29 14559 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  GMDRC9815  Gilia stellata J. M. Andre 2017-3-1 38049 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  JOTR30630  Gilia stellata Andre, Jim, Tasha La Doux 2008-3-21 8835 Riverside Joshua Tree National Park. Upper Wilson Wash, approximately 9.5 mi S. of North Entrance 1017 Comment
  RSA799087  Gilia stellata Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6884 Riverside South side of Joshua Tree National Park, Cottonwood Spring 884 Comment
  UCR214284  Gilia stellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37489 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR29824  Gilia stellata George K. Helmkamp 1983-3-24 383- 15 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA508001  Githopsis diffusa Steve Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2307 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  CAS-BOT-BC303651  Glebionis coronaria A. C. Sanders 1998-4-16 21753 Riverside Riverside: field on the W side of Iowa Ave, just N of the Santa Fe RR tracks 287 Comment
  UCR24009  Glyceria elata John C. Roos 1965-7-3 s.n. Riverside San Jacinto Mtns., Dark Canyon, north fork of the San Jacinto River Comment
  UCR22025  Gnaphalium californicum Steve Boyd 1980-5-11 258 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR156459  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 885 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR3583  Gnaphalium palustre Frank C. Vasek 1964-6-24 640624- 03 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  CAS-BOT-BC56205  Grusonia parishii Carl B. Wolf 1932-10-12 4291 Riverside Field redacted by CAS, contact the data manager for more information 914 Comment
  UC403461  Grusonia parishii Dr. P. A. Munz Apr. 1921 Riverside Little San Bernardino Mts. Comment
  POM125  Guillenia lasiophylla M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA776088  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 820 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  CLARK-A1528-1863  Gutierrezia bracteata John C. Roos 1937-7-11 1506 Riverside Reche Canyon Comment
  UC55119  Gutierrezia californica H. M. Hall Apr 1903 3799 Riverside vicinity Riverside 396 Comment
  UC284166  Gutierrezia sarothrae P. A. Munz 1923-6-18 7125 Riverside 3 mi n Lake Elsinore Comment
  SD137837  Harpagonella palmeri Darin L. Banks, Steve Boyd 1995-5-9 316 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 730 Comment
  UCR49373  Harpagonella palmeri Steve Boyd 1986-3-9 1396 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  RSA0066606  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3206 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA653158  Hazardia squarrosa Mitch Provance 1998-6-6 697 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  RSA683867  Helianthemum scoparium var. scoparium Scott D. White, Michael Honer 2003-4-4 8955 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  POM319631  Helianthus annuus Patricia Wilder 1970-10-15 4765 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  UC32265  Helianthus annuus H. M. Hall 1901-8-1 2649 Riverside Moreno Comment
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Mar 20 2011
  SBBG60919  Helianthus californicus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns Comment
  POM229528  Helianthus gracilentus Noel Wallace 1937-1 BM- 18 Riverside Riverside Comment
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Sep 7 2011
  RSA0036472  Helianthus gracilentus J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  UCR18591  Helianthus niveus subsp. canescens John C. Roos 1952-3-27 5423 Riverside Sonoran (Colorado) Desert, Ramon road about 2 mi east of Palm Springs 122 Comment
  SBBG132103  Helianthus nuttallii subsp. nuttallii S. D. White 2003-10-9 9816 Riverside Pine Cove, Lily Crk just N of crossing at Hwy 243; San Jacinto Mtns 1738 Comment
  SD232182  Helianthus nuttallii subsp. nuttallii Scott D. White 2003-10-9 9816 Riverside San Jacinto Mountains: Pine Cove. Lily Creek just north of crossing at Hwy 243. 1737 Comment
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Sep 8 2015
  UCR225741  Heliotropium curassavicum A. C. Sanders, T. B. Salvato 2011-3-30 38890 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR281806  Heliotropium curassavicum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 98 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 Comment
  UCR85583  Hemizonia kelloggii Julie A. Greene 1993-5-12 1322 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  UCR82771  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mtns, N slope of the mtns: nameless tributary to Azalea Creek, c. 1 mi. due south of the Twin Pines Ranch buildings. 1128 Comment
  RSA554220  Hemizonia paniculata A. C. Sanders 1991-7-19 11155 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  UCR182427  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-5-12 6702 Riverside Granitie Knolls and Mesas of Riverside, South Riverside (Prenda area), vicinity of the Prenda Arroyo, near the spillway of the Woodcrest Dam. 335 Comment
  UCR92439  Hemizonia paniculata A. C. Sanders, D. L. Banks 1995-12-7 17936 Riverside San Jacinto Mtns., 3 mi NW of Anza, beside Bautista Canyon Road at a 90 deg. N bend 1259 Comment
  RSA557359  Hemizonia pungens subsp. laevis Julie Greene 1993-6-11 1353 Riverside San Jacinto Wildlife Area 441 Comment
  RSA621638  Hemizonia pungens subsp. laevis R. E. Riefner 1998-4-22 98 -293 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR66977  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Peninsular Range, Murrieta Creek at the Rancho California Street bridge in Temecula, W side of creek, just east of Diaz Rd & within the creek channel 330 Comment
  UCR68034  Hemizonia pungens subsp. laevis D. E. Bramlet, D. Bradney 1989-6-13 1924 Riverside Domenigoni-Diamond Valley, just east of Gateway Farms. south of Newport Rd. at the intersection of Newport Rd. and Lucas Rd. [site now under water of Diamond Valley Reservoir] 473 Comment
  UCR230594  Hemizonia pungens subsp. pungens Jeremiah George 2011-8-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Moreno Valley, NW corner of Indian St. and Nandina Ave. 450 Comment
  SD237398  Herniaria hirsuta subsp. cinerea T. B. Salvato, Matt MallA^, Tim Searl 2011-4-19 5164 Riverside Peninsular Range; Gavilan Hills: Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 (Alberhill 7.5'Q) 462 Comment
  RSA764160  Hesperocallis undulata Linda M. Prince 2009-4-18 520 Riverside Joshua Tree National Park. Turkey Wash 549 Comment
  UC672095  Hesperocallis undulata Herbert L. Mason 1928-3-10 4208 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  UCR79212  Hesperolinon micranthum Steve Boyd, T. S. Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  RSA586871  Heterocodon rariflorum D. L. Banks, S. D. Boyd 1995-5-3 0290 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA485842  Heterotheca fastigiata Thomas S. Elias, Steve Boyd, Kit Tan 1986-7-23 10160 Riverside San Jacinto Mountains: Along Route 74, 3.8 miles South of Lake Hemet 1372 Comment
  UC32766  Heterotheca grandiflora E. L. Koethen 1897-10-16 B Riverside w Riverside Comment
  UCR34980  Heterotheca grandiflora L. B. Ziegler 1967-12-10 263 Riverside San Jacinto Valley at San Jacinto 473 Comment
  UCR92177  Heterotheca grandiflora D. L. Banks, Steve Boyd 1995-10-17 0770 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area, south of Dripping Springs Campground 512 Comment
  POM266279  Heterotheca horrida subsp. cinerascens J. C. Roos 1942-10-24 2571 Riverside Wonderland of Rocks' Joshua Tree National Monument. Comment
  UCSB37815  Heterotheca sessiliflora subsp. echioides Roos, John 1965-9-16 Riverside On State St. near Florida St., Hemet Comment
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Feb 27 2007
  RSA444305  Hibiscus denudatus W. W. 1988-4-2 4217 Riverside Frontage Rd. off I 10, near pumping station in Pinkham Wash area. Comment
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Jul 24 2013
  SD258431  Hibiscus denudatus J. M. Andre 2013-3-4 23876 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Hwy 95, approx 12 miles S of Vidal Jct. 127 Comment
  UCR92640  Hilaria rigida George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  SEINET10598947  Hilaria rigida Joseph A. Ewan 1931-4-2 Ewan 4096 Riverside Common in gravelly soil 10 miles north of Edon. Comment
  CLARK-A1528-475  Hoffmannseggia densiflora Charlotte Stocks 1962-5-11 Riverside Coachella Comment
  POM14017  Hoffmannseggia glauca P. A. Munz, D. D. Keck 1922-4-13 4927 Riverside Hayfields, Chuckwalla Valley 152 Comment
  CAS-BOT-BC206106  Hoffmannseggia microphylla C. L. Hitchcock 1940-3-29 5850 Riverside ca. 12 mi. east of Indio Comment
  LA28883  Hoffmannseggia microphylla P. J. Remple; 1942-3-2 ** Riverside near Palms to Pines Highway Comment
  SEINET953937  Hoffmannseggia microphylla Unknown 1930-1 190 Riverside Near Shave's Well. Comment
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Aug 4 2013
  UCSB18869  Hoffmannseggia microphylla Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  UCD84877  Holcus lanatus Ralph Garmus 1963-7-22 s.n. Riverside Riverside County. Comment
  SD262165  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417 84 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. Disturbed area. 384 Comment
  UCR211706  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6329 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  RSA551080  Hordeum marinum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51993 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA509548  Hordeum murinum subsp. leporinum Ed LaRue 1989-4-14 s.n. Riverside Old agricultural fields 0.5 mile S of Lakeview. 457 Comment
  RSA595258  Hordeum murinum subsp. leporinum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0962 A Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  RSA304587  Horsfordia newberryi A. C. Sanders 1982-12-19 3452 Riverside Coachella Valley at the foot of the Santa Rosa Mountains, south side of the ridge forming the southern boundary of Martinez Canyon; west end of Ave74, 2.6 miles west of Polk Street. 122 Comment
  UCR29005  Horsfordia newberryi A. C. Sanders 1982-12-19 3452 Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  UC32853  Hulsea heterochroma H. M. Hall 1901-6-1 2048 Riverside s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  CAS-BOT-BC312591  Hulsea vestita subsp. callicarpha S. B. Parish; W. F. Parish 1880-7-1 531 Riverside Strawberry Valley, San Jacinto Mt. Comment
  UC489000  Hulsea vestita subsp. callicarpha C. V. Meyer 1927-6-1 171 Riverside San Jacinto Mts. Comment
  RSA191445  Hydrocotyle ranunculoides E. W. Lathrop, R. F. Thorne 1967-9-26 6635 Riverside 6 miles NW of Murrieta. Comment
  UCR207604  Hydrocotyle ranunculoides O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  POM3216  Hydrocotyle umbellata D. L. Crawford 1919-07 s.n Riverside [Unspecified] Comment
  RSA643330  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1974-3-1 s.n. Riverside Colorado Desert: Desert Center 305 Comment
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Apr 5 2011
  RSA674615  Hypericum formosum var. scouleri Scott D. White, Sandy Leatherman 2000-5-31 7983 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR202589  Hypericum formosum var. scouleri Scott D. White, Justin M. Wood 2008-7-8 12369 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA496137  Hypochaeris glabra Steve Boyd 1989-3-19 3024 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  GMDRC4154  Hyptis emoryi J. Andre, T. La Doux 2010-2-28 12550 Riverside Lower Colorado River Valley: along Hwy 95 approx 25 mi. north of Blythe, on east side of Big Maria Mountains 83 Comment
  RSA38873  Hyptis emoryi E. A. Purer 1933-3-25 4980 Riverside Palm Springs. Comment
  JEPS19097  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio Salton Basin -6 Comment
  RSA91176  Isocoma acradenia var. eremophila F. W. Peirson 1922-12-28 4740 Riverside Andreas Canyon, east base of San Jacinto Mts. 244 Comment
  SD247329  Isocoma menziesii var. vernonioides T. B. Salvato 2014-5-29 8051 Riverside Perris-Aguanga Basin: Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of broad oak/willow gully, about 1.13 miles west of Murrieta Road and 4.10 miles southeast of Canyon Lake. 523 Comment
  SDSU13639  Isolepis cernua var. cernua W. Miller, C. Mosse 1972-7-21 Riverside South of camp. Comment
  JEPS48840  Isomeris arborea Marjorie D. Clary 1932-4-10 898 Riverside Eagle Mountains Comment
  RSA778130  Isomeris arborea Thomas Stoughton, Erika Gardner, Duncan S. Bell 2010-11-12 716 Riverside PCT Trail. W of White Water Canyon. N of jct of I-10 and Rte 111. 732 Comment
  UC68545  Isomeris arborea H. M. Hall Apr 1905 6005 Riverside Cottonwood Pass; Colorado Desert 609 Comment
  SBBG101689  Iva axillaris S. Boyd with T. Ross 1991-6-14 6368 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC12386 Image available Ivesia callida H. M. Hall 1901-8-1 2611 Riverside near Tauquitz; San Jacinto Mts.; near Tauquitz, San Jacinto Mts. Comment
  UC2062449  Ivesia callida Barbara Ertter with Ken Berg, Roxanne Bittman, and Tim Krantz 1987-9-5 7425 Riverside Head of Andreas Canyon on N side Red Tahquitz Peak, San Jacinto Mountains. Comment
  RSA0011156  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  CAS-BOT-BC383067  Juglans hindsii R. E. Riefner, Jr. 2007-6-16 07 -261 Riverside City of Hemet, S side of Florida Ave., ca. 0.1 mi E of Columbia St. 523 Comment
  SD237489  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  UCR89552  Juncus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15876 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  JOTR31802  Juncus acutus subsp. leopoldii La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2104 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  UCR180048  Juncus balticus Mitch Provance 2005-5-18 9806 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR54608  Juncus balticus Jack Easton 1988-10-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Springs Ranch west of the town of Murrieta Comment
  UCR651  Juncus balticus S. C. Warner 1956-5-19 s.n. Riverside San Jacinto Mtns., 3 mi up Bautista Canyon Road, near San Jacinto 671 Comment
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  UCR176938  Juncus bufonius A. C. Sanders, Guy Bruyea 2003-6-12 26887 .2 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR268066  Juncus bufonius D. E. Bramlet 2005-4-22 3828 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  RSA788861  Juncus bufonius var. bufonius G. D. Wallace 2003-7-8 4029 Riverside Hidden Lake. Comment
  POM122518  Juncus mexicanus Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM78994  Juncus mexicanus I. M. Johnston 1925-7-19 s.n. Riverside Pedley - Norco Road, 4 miles SSE of Wineville. Comment
  RSA192146  Juncus mexicanus E. W. Lathrop 1959-4-26 4502 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  RSA704863  Juncus rugulosus J. B. B. 1934-6-18 526 Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  SEINET1906761  Juncus textilis Scott D. White, R. Jonson 1995-1 3794 Riverside San Bernardino Mtns: Sycamore Canyon, ca 1.3 air mi W-NW of ''Inspiration Point'' on Hwy 18; ca. 1.1 air mi S of Marshall Peak. 610 Comment
  RSA249847  Juncus tiehmii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38115 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  JOTR31801  Juncus xiphioides La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2103 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  RSA368390  Juncus xiphioides John Olmsted 1962-5-10 3628 Riverside Coldwater Canyon, Corona city water supply, western Riverside County 396 Comment
  JOTR34043  Juniperus californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2944 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA402293  Justicia californica M. B. Dunkle 1932-3-25 2909 Riverside Near Cathedral Canyon 152 Comment
  SEINET2043587 Image available Justicia californica B. Pitzer 1988-3-10 640 Riverside W side of Chuckwalla Mountains, on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd. (&wash); ca. 2 airline miles S of HWY I-10 488 Comment
  RSA648667  Kallstroemia californica J. C. Roos 1963-10-24 s.n. Riverside Hayfields, Colorado Desert. Comment
  SJSU7694  Keckiella antirrhinoides N. D. Addy 1962-4-16 53 Riverside Railroad Canyon Rd c. 4-5 mi E of Elsinore 396 Comment
  SJSU7917  Keckiella antirrhinoides G. B. Youngberg 1956-3-20 225 Riverside near La Sierra College, Arlington 231 Comment
  UCR250312  Keckiella antirrhinoides A. C. Sanders 2014-4-8 40977 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  SBBG66592  Keckiella rothrockii R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2438 Comment
  RSA6016  Keckiella rothrockii subsp. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  RSA632465  Kickxia elatine Scott D. White 1998-6-17 6753 -B Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. 488 Comment
  UCR96412  Koeleria macrantha Scott D. White 1996-8-1 4446 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  CAS-BOT-BC61431  Krameria bicolor S. B. Parish 1916-5-13 10853 Riverside Cottonwood Springs, Colorado Desert Comment
  SD90403  Krameria bicolor Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley. On rocky slopes of desert wash in creosote bush scrub. 548 Comment
  CAS-BOT-BC43704  Krameria erecta Joy Keck 1935-4-15 3840 Riverside Lower Morongo Canyon Comment
  SBBG109172  Krameria erecta D. Wilken with G. A. Wilken 1997-11-1 15375 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SEINET189444  Krameria erecta Annie M. Alexander, L Kellogg 1941-5-11 2150 Riverside Eagle Mountains Cottonwood Spring 884 Comment
  RSA248056  Krameria grayi Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  RSA33613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  RSA408613  Krameria grayi N. C. Cooper 1944-7-15 1553 Riverside Palm Springs. 122 Comment
  RSA0011202  Krameria grayi Martha Hilend 1928-4-15 171 Riverside Colorado Desert near Thousand Palms. Comment
  CLARK-A1528-1976  Lactuca serriola John C. Roos 1965-10-7 Riverside Beaumont Comment
  CLARK-A1528-4706  Lamarckia aurea John C. Roos 1952-4-2 5462 Riverside Box Springs Comment
  UCR126440  Lamarckia aurea T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 68 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  OBI32628  Lamium amplexicaule Roberta H. Smith 1969-5-6 30 Riverside Vacant lot N of 3016 Chicago on E side of Chicago Ave 152 Comment
  LA209863  Larrea tridentata A. M. Johnson; 1933-4-28 4223 Riverside flat below Palm Springs along hwy over mountains to Hemet Comment
  SEINET10779066  Larrea tridentata J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12827 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  UC1324900  Larrea tridentata H. U. Stauffer and R. F. Thorne 1964-5-5 5923 Riverside 6.5 km s Morongo Valley (4.8 km s of county border) 550 Comment
  UC1929819  Larrea tridentata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CAS-BOT-BC412730  Lastarriaea coriacea H. M. Hall 1904-5-29 4964 Riverside Vicinity of Riverside 304 Comment
  CLARK-A1528-2148  Lasthenia chrysostoma John C. Roos 1952-4-13 5535 Riverside Box Springs Mountains 396 Comment
  JEPS29480  Lasthenia coronaria Lauramay T. Dempster 1962-4-17 1889 Riverside about 1 mi below Fish Hatchery; Whitewater Canyon Comment
  RSA33555  Lasthenia coronaria N. C. Cooper 1944-3-25 997 Riverside Cabazon. 457 Comment
  RSA487549  Lasthenia coronaria Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  CAS-BOT-BC328103  Lasthenia glabrata subsp. coulteri D. Bramlet 1995-5-5 2407 Riverside 7.5 km W of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs). 435 Comment
  RSA617151  Lasthenia gracilis A. C. Sanders, C. L. Sanders, E. J. Lawlor 1996-4-21 18070 Riverside Morongo Indian Reservation, grounds of Malki Meseum, NE of Banning. 732 Comment
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Sep 10 2011
  UC893752  Lasthenia gracilis Lewis S. Rose 1937-4-9 37087 Riverside Banning 706 Comment
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Mar 13 2011
  UCR167421  Lasthenia gracilis John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR202227  Lasthenia gracilis Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  UCR214891  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37685 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  RSA680520  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 -B Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  POM19605  Lathyrus vestitus subsp. laetiflorus Mary F. Spencer 1923-07 2195 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  SDSU17301  Lathyrus vestitus var. alefeldii Ryan Jacobson 2000-4-19 8 Riverside Santa Margarita Ecological Reserve. Near west bank of Stone Creek, about 1 mile north east of south-side facility. Comment
  CLARK-A1528-4855  Layia glandulosa John C. Roos 1937-4-18 1374 Riverside Cabazon Comment
  UCR93581  Layia glandulosa J. Hogan 1974-5-6 36 Riverside Mojave Desert, Joshua Tree National Monument (Park), Eureka Peak. NW edge of Covington Flat. (= VABM Eureka, 5516 ft.) 1677 Comment
  SD239606  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-3-28 38807 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-125 Fwy (Romoland 7.5'Q) 434 Comment
  SEINET3479044  Layia platyglossa A. G. Vestal 1962-3-29 Riverside Temecula, Temecula, 0.3 miles south Comment
  UC584218  Layia platyglossa Palmer Stockwell 1935-5-12 1220 Riverside 2.5 mi n of Elsinore Comment
  UC917864  Layia platyglossa Frank W. Gould 1943-4-17 2105 Riverside 12 mi s of Corona Comment
  UCR121796  Layia platyglossa A. C. Sanders, Carolyn Washburn 2001-4-17 24036 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR269906  Layia platyglossa D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3654 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  JEPS53617  Lepidium fremontii E. E. Schellenger May 1920 Riverside s. Mecca (Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. Comment
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Sep 8 2011
  CAS-BOT-BC89585  Lepidium lasiocarpum Munz; Street; Williams 1919-3-25 2315 Riverside Palm Canyon, Palm Springs. 243 Comment
  UCR239906  Lepidium lasiocarpum O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UCD115683  Lepidium lasiocarpum subsp. lasiocarpum G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2714 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  POM118632  Lepidium lasiocarpum var. wrightii Marcus E. Jones 1924-2-27 S.N. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR94261  Lepidium latipes var. latipes Scott D. White 1996-4-14 3894 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  RSA617998  Lepidium nitidum var. howellii R. E. Riefner 1998-4-22 98 -285 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR274017  Lepidium strictum Mitch Provance 2012-4-23 412- 30 Riverside San Gorgonio Pass, south of Banning, between the east end of Bobcat Rd. and the KOA campground on San Gorgonio Ave., in Montgomery Creek near its confluence with Smith Creek 681 Comment
  RSA0116224  Lepidium strictum Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4459 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UCR165611  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 710 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA0013160  Lepidium virginicum subsp. menziesii LeRoy Gross, Caitlin Elam 2013-5-14 6060 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA673718  Lepidium virginicum var. pubescens Scott D. White, W. La Haye 2000-5-27 7951 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  CAS-BOT-BC329444  Lepidospartum squamatum Carl B. Wolf 1932-10-11 4269 Riverside Mouth of Whitewater Wash. 304 Comment
  JEPS49057  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside n Palm Springs (desert); Whitewater Wash 198 Comment
  RSA575857  Lepidospartum squamatum Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UC178821  Leptochloa panicea subsp. brachiata Frank Stephens 1899-1-1 Riverside Colorado Desert Comment
  UC23414  Leptodactylon californicum A. J. McClatchie May 1892 27 Riverside near Elsinore; near Elsinore Comment
  RSA262087  Leptosiphon floribundus E. W. Lathrop 1968-5-22 6927 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SD63336  Leptosiphon floribundus subsp. floribundus Walter Bertsch 1957-6-29 951 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2438 Comment
  UCR120206  Lessingia filaginifolia Mitch Provance 1998-3-5 194 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR133963  Lessingia filaginifolia Mitch Provance, J. S. Ross 1998-3-27 MOR- 955 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR92149  Lessingia filaginifolia D. L. Banks, Steve Boyd 1995-10-17 763 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  CAS-BOT-BC339490  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside Taquitz [Tahquitz] trail Comment
  SD28107  Lessingia glandulifera var. glandulifera Carl B. Wolf 1932-8-4 3925 Riverside San Jacinto Mountains; Strawberry Valley; 1.5 miles from Idyllwild on road to Banning. 1705 Comment
  UCR108866  Lessingia glandulifera var. glandulifera Heidi A. Haid 1968-9-24 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR92157  Lessingia glandulifera var. glandulifera D. L. Banks, Steve Boyd 1995-10-17 757 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area. Along lower Arroyo Seco, south of the Dripping Springs Campground. Along the broad alluvial benches north of where Arroyo Seco turns to the east 512 Comment
  CAS-BOT-BC283714  Leymus condensatus H. M. Hall 1899-6-2 1218 Riverside In dry wash of Temecula River Comment
  OBI69966  Leymus condensatus L. LaPre 1988-6-3 s.n. Riverside Indian Trls project site, Indian Truck Trl exit on W side of I-15 fwy in Temescal Cyn, ca 1/4 mi from the fwy near the dirt rd Comment
  RSA192244  Lilium humboldtii subsp. ocellatum H. A. Zuill 1966-6-27 252 Riverside At Fisherman's Camp in Tenaja Canyon, about 13 miles SW of Murrieta. Comment
  UC1035029  Lilium parryi Albert M. Vollmer Jul 1 1950-Jul 7 1950 Riverside Stony Creek; San Jacinto Mountains Comment
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Mar 10 2013
  UC1531098  Limnanthes gracilis subsp. parishii Tom Griggs and Earl Lathrop 1985-3-3 2 Riverside 1/4 mi below (e) vernal pool C3 (4 mi w of Murrieta); Santa Rosa Plateau, Preserve, Mesa de Colorado Comment
  UCR88648  Linanthus bigelovii A. C. Sanders 1995-4-13 16503 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UC907941  Linanthus dianthiflorus Victor Duran 1930-4-17 Riverside Sage Comment
  RSA522762  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3869 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  POM158446  Linanthus dianthiflorus subsp. farinosus P. A. Munz 1927-5-21 10858 Riverside San Carlos Pass, east of Ansa. 1372 Comment
  OBI53602  Linanthus jonesii B. Pitzer, S. Meyers & J. Wilkinson 1988-2-21 609 Riverside A well-developed desert pavement at S end of Coxcomb Mountains, 0.2 mi N of Hwy 177 (Old Desert Center - Rice Rd.) at a point 10.6 mi NE of Desert Center, on Hwy 177. Comment
  RSA703487  Linanthus jonesii LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1432 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  RSA777825  Linanthus jonesii J. Andre, G. L. Clifton 2011-2-22 17457 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  UCR267890  Linanthus jonesii Jim Andre 2013-3-4 23861 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  UCSC000603  Linanthus liniflorus I. J. Condit 2010-6-24 s.n. Riverside Idyllwild, Road to [what was then called] Strawberry Valley - San Jacinto Mts. 914 Comment
  UCR35060  Linanthus liniflorus subsp. pharnaceoides L. B. Ziegler 1966-6-21 59 Riverside Peninsular Range; San Jacinto Mtns., between Mountain Center and Keen Camp Summit 1448 Comment
  POM229435  Linanthus pungens subsp. hallii P. A. Munz 1937-5-29 15100 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  CLARK-A1528-3486  Linanthus pygmaeus John C. Roos 1950-4-22 4757 Riverside Reche Canyon 822 Comment
  UCR35319  Linum lewisii L. B. Ziegler 1967-5-30 135 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley). 1372 Comment
  SBBG67529  Linum lewisii var. lewisii Mr.and Mrs. L. C. Ackley 1918-1 491 Riverside San Jacinto Mtns 1219 Comment
  SEINET3246220  Lithophragma A. C. Sanders 1997-1 20158 Riverside Lake Skinner area: near north foot of Black Mountains, slopes S of Crown Valley. 655 Comment
  RSA170448  Lobelia cardinalis subsp. graminea J. D. Olmsted 1959-8-13 776 Riverside Fleming Ranch in May Valley; at head of big green meadow (spring fed). 3 miles SE of Idyllwild. 1616 Comment
  SD234347  Lobelia dunnii var. serrata R. G. Swinney 1998-8-6 6682 Riverside San Gabriel Mtns.: Falls Gulch, waterfall 100 m above confluence with upper East Fork San Gabriel River (Mt San Antonio 7.5'Q) 1036 Comment
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Dec 13 2015
  RSA688852  Loeflingia squarrosa Scott D. White, Michael Honer 2003-5-13 9256 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SBBG122764  Loeflingia squarrosa A. Parikh 1990-5-12 168 Riverside Arroyo Seco, S of Dripping Springs Cmpgrd, 1 km S of Hwy 79, 2.8 km E of Woodchuck Rd 494 Comment
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Apr 29 2011
  SD137812  Loeflingia squarrosa var. squarrosa Darin L. Banks, Steve Boyd 1995-5-3 207 Riverside Agua Tibia Mountains Water Shed;Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain. 495 Comment
  UCR243572  Loeseliastrum matthewsii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21102 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  POM96061  Loeseliastrum schottii M. French Gilman 1926-5-9 A- 16 Riverside Colorado Desert. Morogo Wash. Comment
  UC68769  Loeseliastrum schottii H. M. Hall Apr., 1905 5800 Riverside 10 mi. w. Coachella; Colorado Desert 91 Comment
  SBBG63175  Logfia depressa M. N. Ackley 1928-3-25 223 Riverside between Indio and Palm Springs 60 Comment
  UC1022808  Logfia depressa Philip A. Munz 1940-3-23 15688 Riverside n end Pinto Basin; Southern California, Mohave Desert 609 Comment
  UCR54310  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  RSA595329  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1996-4-20 0877 A Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  RSA795513  Lomatium mohavense C. P. Cowan 1978-4-23 1235 Riverside Santa Rosa Mountains. 17.3 mi (27.2 km) S and W on Hwy 74 from jct w/111 at Indian Wells. San Bernardino National Forest. Whittaker transect no.W-221(voucher). 1180 Comment
  RSA192213  Lomatium vaginatum E. W. Lathrop 1960-3-11 4655 Riverside 5 miles west of Murrieta. Comment
  RSA97436  Lomatium vaginatum F. W. Peirson 1922-4-29 2932 Riverside South of Lake Elsinore. 381 Comment
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Dec 8 2013
  RSA680835  Lonicera subspicata var. denudata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8666 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA23431  Lotus crassifolius C. B. Wolf 1940-7-2 9719 Riverside E side of Santa Ana Mountains Indian Canyon Truck Trail, 1/4 mile below Main Divide 1220 Comment
  RSA249839  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38104 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC218259  Lotus crassifolius var. crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  RSA722995  Lotus grandiflorus var. grandiflorus M. Wall 2007-7-6 434 Riverside San Jacinto Valley at sharp bend in Bautista Canyon Rd. 3.1 miles SE of jct. with Fairview Ave. 671 Comment
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Dec 22 2018
  RSA525446  Lotus hamatus Steve Boyd 1990-4-29 4491 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR102882  Lotus hamatus A. C. Sanders 1997-3-26 20126 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR158714  Lotus hamatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30003 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA32421  Lotus heermannii N. C. Cooper 1944-5-6 1167 Riverside Whitewater Canyon. 457 Comment
  RSA544317  Lotus heermannii Steve Boyd 1991-9-8 6424 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  UCR153635  Lotus heermannii Scott D. White 1999-5-24 7385 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR23912  Lotus heermannii John C. Roos 1952-6-13 5768 Riverside [Box Springs Mountains], Pigeon Pass. 427 Comment
  SDSU13583  Lotus heermannii var. heermannii W. Miller with C. Mosse 1972-7-5 Riverside Comment
  RSA697967  Lotus humistratus J. R. Bruff 1928-5-2 169 Riverside Cottonwood Springs. Comment
  RSA498791  Lotus rigidus S. B. Parish 1917-4-4 s.n. Riverside Palm Canyon Comment
  UC111311  Lotus rigidus S. B. Parish 1907-4-22 6147 Riverside w edge Colorado Desert; , Palm Canyon 200 Comment
  UC1129114  Lotus rigidus H. S. Yates 1937-3-24 6461 Riverside near Head of Deep Canyon; Thermal Quad. 914 Comment
  UC64819  Lotus rigidus E. E. Schellenger 1904-3-28 60 Riverside Cottonwood Springs Colorado Desert, Cottonwood Mt. Comment
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Oct 9 2010
  SEINET10484457  Lotus rigidus L. Rose 1935-12-23 Rose 35694 Riverside Above deep canyon, san jacinto mts. 22 Mi s of cathedral city. Rock slopes. 1067 Comment
  RSA727090  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1364 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA406827  Lotus salsuginosus var. salsuginosus M. B. Dunkle 1933-4-5 3376 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  RSA629027  Lotus salsuginosus var. salsuginosus Scott D. White 1998-6-28 6791 Riverside Corona: River Road bridge over the Santa Ana River. 159 Comment
  UC1595587  Lotus salsuginosus var. salsuginosus Steve Boyd and Orlando Mistretta 1991-5-9 6177 Riverside on ridge between Bedford Canyon and McBribe Canyon (lower flank of range along the Bedford Truck Trail); Santa Ana Mountains 548 Comment
  JOTR31966  Lotus strigosus La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2203 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA339065  Lotus strigosus R. F. Thorne, C. W. Tilforth 1980-5-28 54244 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA586300  Lotus strigosus D. L. Banks, S. D. Boyd 1995-5-3 0211 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  SEINET7063445  Lotus strigosus A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  UC68652  Lotus strigosus H. M. Hall Apr 1905 5952 Riverside McCoy Wash Colorado Desert 91 Comment
  UCR100870  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1998-2-18 2704 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR107403  Lotus strigosus B. G. Pitzer 1997-3-23 2975 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR112063  Lotus strigosus Mitch Provance, Seychelle Provance, Juanita Provance, Claude Provance 1999-4-4 1722 Riverside Riverside, 'Whitegates Hills', c. 0.125 miles north of Overlook Pkwy. 381 Comment
  UCR18185  Lotus strigosus A. C. Sanders 1978-4-30 00341 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UCR270174  Lotus strigosus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42404 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA595733  Lupinus andersonii L. C. Wheeler 1945-10-6 6133 Riverside Head of west fork of Snow Creek. 2377 Comment
  JEPS65447  Lupinus arizonicus Mary Beal 1941-4-6 858 Riverside Painted Canyon Mojave Desert, Mecca Hills, Coachella Valley Comment
  POM12770  Lupinus arizonicus P. A. Munz, D. D. Keck 1922-4-9 4762 Riverside Shavers Well, near Mecca. 76 Comment
  POM349938  Lupinus arizonicus Howard Mullins 1931-4-26 s.n. Riverside Mecca Comment
  UCD170870  Lupinus arizonicus Alejandra Martinez-Berdeja; Cara M. Stripe 2010-4-24 51 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio. 91 Comment
  RSA161282  Lupinus bicolor P. H. Raven 1958-5-18 s.n. Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  RSA562462  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  UCR17968  Lupinus concinnus A. C. Sanders 1976-4-20 00346 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  RSA543590  Lupinus concinnus subsp. concinnus Steve D. Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6142 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA34569  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-17 1434 Riverside San Jacinto Mtns. West side. 1372 Comment
  RSA192126  Lupinus concinnus var. concinnus E. W. Lathrop 1959-4-17 4476 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA395898  Lupinus densiflorus var. lacteus Steve D. Boyd 1986-4-22 1763 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  CLARK-A1528-496  Lupinus excubitus C. M. Flanagan 1973-5-20 OO 518 Riverside Banning 1188 Comment
  CAS-BOT-BC216689  Lupinus excubitus subsp. hallii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  CAS-BOT-BC216696  Lupinus excubitus var. excubitus P. C. Everett 1935-6-18 7182 Riverside 1 mile from Ortega Highway, Main Divide Motorway to Santiago Peak, Santa Ana Mountains 731 Comment
  JOTR33773  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2927 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (stop 2) Comment
  UCR142196  Lupinus hirsutissimus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  POM11285  Lupinus hyacinthinus Philip A. Munz 1922-7-6 5978 Riverside Tahquitz Valley, San Jacinto Mts. 2226 Comment
  RSA699719  Lupinus hyacinthinus Keith E. Hoffmaster 1937-7-5 s.n. Riverside Fern Valley, San Jacinto Mtns Comment
  UC729829  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3934 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley; San Jacinto Mts., summit of Devil's Slide Trail 2438 Comment
  UCR93020  Lupinus latifolius G. P. Schultz 1994-4-7 72 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UCR174247  Lupinus microcarpus A. C. Sanders, T. B. Salvato 2006-6-2 33071 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR1038  Lupinus microcarpus var. densiflorus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Valley, along San Jacinto River wash, 3 mi. SE of San Jacinto on Mountain Avenue. 494 Comment
  UCR37489  Lupinus microcarpus var. densiflorus Steve Boyd 1980-5-3 s.n. Riverside Peninsular Range, Gavilan Hills, [Mead Valley] along Cajalco Road, 1/4 mile east of Alexander Rd. 498 Comment
  RSA0003356  Lupinus microcarpus var. densiflorus Mary F. Spencer 1920-4-11 96 Riverside Palm Springs. Comment
  JEPS65439  Lupinus shockleyi W. L. Jepson 1927-4-12 11630 Riverside Whitewater 457 Comment
  SDSU13998  Lupinus sparsiflorus Michael G. Simpson, Adrienne Russell 2000-4-29 2074 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  SEINET3440252 Image available Lupinus sparsiflorus B. Pitzer 1986-4-26 187 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (White-water 7.5'). Comment
  SEINET5584427  Lupinus sparsiflorus Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 120 Comment
  UCR154738  Lupinus sparsiflorus T. B. Salvato, Kent Beaman 2005-5-16 773 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  POM254322  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15710 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA701655  Lupinus sparsiflorus var. arizonicus Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA414268  Lupinus sparsiflorus var. mohavensis N. C. Cooper 1944-3-25 2014 Riverside Cabazon. 549 Comment
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Nov 22 2011
  POM12625  Lupinus succulentus Philip A. Munz, I. M. Johnston 1922-5-19 5384 Riverside 8 miles NE of Murietta. 412 Comment
  UCR98860  Lupinus succulentus A. C. Sanders, G. Helmkamp 1997-3-15 19989 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  CLARK-A1656-835  Lupinus truncatus Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  POM320523  Lupinus truncatus Worthman 1968-5-16 182 Riverside 17.3 miles west of Murrieta 671 Comment
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Jun 16 2013
  RSA614550  Lupinus truncatus A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 19867 Riverside Lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SEINET10489071  Lupinus truncatus David B. Dunn 1947-3-16 Dunn 2916 Riverside Found 100 yards se of cabazon in the banning pass. Comment
  CAS-BOT-BC231413  Lycium andersonii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2178 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  UCR275142  Lycium brevipes David Fraker, Aaron C. Sedgwick 2012-4-5 074 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  POM160109  Lycium cooperi E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
  RSA775918  Lycium torreyi Duncan S. Bell, Amanda Turek 2010-4-10 812 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA785450  Lythrum californicum Jeremiah George 2011-8-9 s.n. Riverside north shore of Lake Elsinore, south of end of Lehr Dr. 384 Comment
  RSA50570  Machaeranthera canescens var. ziegleri E. C. Jaeger 1949-7-25 s.n. Riverside Summit, Santa Rosa Mountains 2470 Comment
  UC489132  Madia elegans C. V. Meyer 1928-7-26 529 Riverside w side San Jacinto Mt. 2286 Comment
  SD137862  Madia exigua Darin L. Banks, Steve Boyd 1995-5-9 392 Riverside Cleveland National Forest, Agua Tibia W Area, North face Agua TibiaMountain,Dorland Mountain area, west Dripping Springs Alcove,WoodchuckCamp 700 Comment
  UC1595643  Madia gracilis Steve Boyd and Orlando Mistretta 1991-5-9 6186 Riverside lower flank of range along Bedford Truck Trail on ridge between Bedford Cyn. and McBribe Cyn.; Santa Ana Mountains 548 Comment
  RSA95324  Malacothamnus densiflorus var. densiflorus F. W. Peirson 1926-5-2 6724 Riverside Grade north of Dripping Spring, Temecula River, southwestern Riverside Co. Comment
  CAS-BOT-BC345427  Malacothrix clevelandii A. C. Sanders; P. MacKay; T. Thomas; O. Clarke 1997-5-4 20629 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  JEPS36766  Malacothrix clevelandii W. L. Jepson May 17 1901-Jun 1 1901 1285 Riverside Strawberry Valley San Jacinto Mt. Comment
  POM10289  Malacothrix clevelandii Charlotte M. Wilder 1905-5-14 582 Riverside Summit Jurupa Hills and extending north-west slope about 200 ft. 671 Comment
  UCR24138  Malacothrix clevelandii John C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  CAS-BOT-BC347703  Malacothrix glabrata Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA777286  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4544 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA778136  Malacothrix glabrata J. Andre 2011-2-2 16207 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UCR16701  Malacothrix glabrata Anonymous 1969-5-25 24 Riverside Mojave Desert, road from Cottonwood Springs to Twentynine Palms in Joshua Tree National Monument [now National Park], c. 17 mi from [N of] Cottonwood Springs 1220 Comment
  CAS-BOT-BC167853  Malosma laurina John Roos; Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mts. 487 Comment
  UCR261204  Malosma laurina A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41729 Riverside Temesal Canyon, hilltop above DePalma Rd., about mid way between Horse Thief Canyon Rd. and Glen Eden Rd. 399 Comment
  RSA0013135  Malva neglecta LeRoy Gross, Caitlin Elam 2013-5-14 6065 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR59842  Malvella leprosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  CHSC8368  Marah macrocarpa Edward L. Smith 1957-4-3 254 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. 579 Comment
  RSA784963  Marina parryi Duncan S. Bell 2012-3-18 3227 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  SD121977  Marina parryi Leota Davidson 1966-4-3 317 Riverside Highway 10 at Wiley Wells turn-off, 20 miles east of Desert Center. Comment
  RSA619789  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  RSA509554  Medicago polymorpha Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  JOTR16780  Melica bulbosa Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. STIRRUP TANK 1097 Comment
  UC818873  Melica imperfecta P. A. Munz and I. M. Johnston 1922-5-21 5500 Riverside near Kenworthy (Hemet Valley); San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  POM204772  Melica imperfecta var. flexuosa H. M. Hall 1901-06 2079 Riverside South side of San Jacinto Mountains. 1463 Comment
  RSA653219  Melilotus albus John Wallace, Steve McNabb 1991-5-4 2 Riverside Colorado River. Ca 2 mi S of Red Rooster Campground. Comment
  SEINET2063365 Image available Melilotus indicus Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi NE of intersection of Van Buren Blvd. & Mockingbird Canyon Rd. 365 Comment
  UCR104900  Melilotus indicus A. C. Sanders 1997-3-19 20032 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  POM9390  Mentzelia affinis I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  POM9534  Mentzelia affinis P. A. Munz, R. D. Harwood 1920-3-20 3370 Riverside 5 miles S of Corona 305 Comment
  POM13045  Mentzelia albicaulis P. A. Munz, D. D. Keck 1922-4-9 4857 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA777730  Mentzelia involucrata Jim Andre, G. L. Clifton 2011-2-22 17440 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  SBBG81633  Mentzelia involucrata S. A. Junak 1983-3-23 1637 Riverside E side of Jefferson Rd, across from entrance to Cahuilla Lake County Park 3 Comment
  SBBG81726  Mentzelia involucrata S. A. Junak 1983-3-23 1647 Riverside Berdoo Cyn Rd, 2.4 mi E of Dillon Rd, Little San Bernardino Mtns 411 Comment
  POM15051  Mentzelia involucrata var. megalantha Mary F. Spencer 1922-3-29 1990 Riverside Mecca -49 Comment
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May 29 2011
  RSA69584  Mentzelia involucrata var. megalantha F. W. Peirson 1926-1-31 6494 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  RSA440448  Mentzelia jonesii H. M. Hall 1905-05 6002 Riverside Cottonwood Pass. 701 Comment
  SD114170  Mentzelia laevicaulis Darley F. Howe 1947-6-20 1650 Riverside Near Beaumont. Comment
  UC162622  Mentzelia micrantha H. M. Hall 1899-6-1 1219 Riverside Temecula Creek Comment
  UCR160323  Micropus californicus Steve Boyd 1992-4-14 6804 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  CAS-BOT-BC348453  Micropus californicus var. californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta Comment
  RSA660502  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA85503  Microseris douglasii subsp. douglasii J. C. Roos 1952-4-23 5573 Riverside 1 mile southeast of Perris 427 Comment
  UCR102881  Microseris heterocarpa A. C. Sanders 1997-3-26 20127 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR167977  Microseris lindleyi T. B. Salvato, John F. Green 2004-5-27 640 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UC943892  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1895 B Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  UCR84594  Mimulus Scott D. White, S. Ogg 1994-4-21 1961 Riverside San Bernardino Mtns., Millard Canyon, near jct of E and W forks of USFS Road 2S05, c. 2.5 mi south of Bear Wallow Spring. 976 Comment
  POM158440  Mimulus androsaceus P. A. Munz 1927-5-21 10855 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR90380  Mimulus aurantiacus D. L. Banks, Steve Boyd 1995-6-2 0560 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  RSA38709  Mimulus aurantiacus var. pubescens Percy C. Everett 1945-6-7 11500 Riverside Indian Canyon, along Indian Canyon Truck Trail. 640 Comment
  UC943816  Mimulus aurantiacus var. pubescens H. E. McMinn 1949-6-9 5589 Riverside 1 mi n San Diego Co. line (near Aguanga on Highway 71) Comment
  UCSB26695  Mimulus aurantiacus var. pubescens Wilken, Dieter 1969-5-9 Riverside Hidden Valley Campground; Lost Horse Valley; 14 miles south of Joshua Tree; Joshua Tree National Monument Comment
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May 1 2015
  UCR251705  Mimulus aurantiacus var. puniceus T. B. Salvato, Mike Landers 2013-3-21 7412 Riverside Perris-Aguanga Basin, Murrieta, at the northwest corner of the intersection of Baxter Road and Menifee Road 453 Comment
  RSA0059089  Mimulus bigelovii Norman C. Cooper 1944-6-17 1417 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA420942  Mimulus bigelovii var. bigelovii Emery M. Whilton 1937-3-24 s.n. Riverside Taken in Coachella Valley. Comment
  RSA420957  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3050 Riverside Painted Canyon, Colorado Desert. 30 Comment
  IRVC26260  Mimulus brevipes A. C. Sanders, D. Malueg 2003-5-8 26565 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  RSA0054836  Mimulus brevipes Keith E. Hoffmaster 1937-6-6 763 Riverside Near Valle Vista, Hemet Valley. Comment
  UC284800  Mimulus clevelandii P. A. Munz 1923-6-14 7062 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  RSA526488  Mimulus floribundus Steve Boyd, Tim S. Ross 1990-5-11 4685 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR17145  Mimulus floribundus Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  CSUSB947  Mimulus guttatus Linda Stangor Riverside Santa Ana River Santa Ana River bottom, near old railroad bridge. Comment
  UC886073  Mimulus pilosus Carl B. Wolf 1932-8-5 3930 Riverside summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley; San Jacinto Mts. 2438 Comment
  UCR202579  Mimulus pilosus Scott D. White, Justin M. Wood 2008-7-8 12397 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA0080321  Minuartia douglasii Sarah J. De Groot, Cheryl Sevilla 2015-3-16 7367 Riverside North fork Mission Creek, ca. 0.85 miles north-northwest of stone house; southwest of Morongo Valley and northwest of Desert Hot Springs. 811 Comment
  RSA586872  Minuartia douglasii D. L. Banks, Steve Boyd 1995-5-3 0291 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SEINET11941952  Mirabilis californica H. M. Hall 1903-1 3807 Riverside Vicinity of Riverside, in the Sonoran Zone 610 Comment
  UCD98077  Mirabilis laevis var. crassifolia Franklin C. Raney 1959-4-30 59 -5 Riverside State Highway 74, 1 mile east of Romoland. Comment
  POM14362  Mirabilis laevis var. retrorsa P. A. Munz, D. D. Keck 1922-4-9 4807 Riverside Chuckwalla Valley, 10 miles east of Shavers well. 152 Comment
  RSA69461  Mirabilis laevis var. retrorsa F. W. Peirson 1928-3-10 7701 Riverside Snow Creek Auto Camp at Whitewater. Comment
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  RSA703805  Mohavea confertiflora LeRoy Gross 2005-3-3 1604 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SBBG25244  Mohavea confertiflora Leota Davidson 1966-4-5 217 a Riverside Wyley Wells Rd, off Interstate 10, at second intersection, Chuckawalla Mts Comment
  UCR166546  Mohavea confertiflora Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10887 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  PASA135  Mohavea viscida R. E. Merrill Riverside Palm Canyon Comment
  RSA0027469  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 58 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  POM187414  Monardella lanceolata var. lanceolata L. Crutcher 1933-8-1 8 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  LA62737  Monardella linoides subsp. linoides Carl Epling; 1942-8-6 sn Riverside 2.5 E of Thomas Mt. Tavern, Pines to Palms Hwy Comment
  LA57203  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside Pinon Flats, Palms to Pines Hwy Comment
  UC1499879  Monardella nana Elizabeth McClintock 1940-10-19 Riverside San Jacinto Mts. trail to Tahquitz Peak a short distance beyond fork in trail going to Hidden Lake Comment
  UC597718  Monardella nana Philip A. Munz 1937-5-31 15114 Riverside At Anza Tablet, head of Coyote Canyon, SW Riverside County 1066 Comment
  UC1035954  Monardella nana subsp. tenuiflora Helen K. Sharsmith 1954-7-7 4444 Riverside between Fuller Creek and Idlewild (on Forest Service road to Black Mountain ca. 1 mi from highway); San Jacinto Mountains, San Bernardino National Forest 1981 Comment
  UCR128295  Monardella nana subsp. tenuiflora Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8636 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR215364  Monardella nana subsp. tenuiflora Fred M. Roberts 2006-6-21 6341 Riverside Peninsular Range; San Jacinto Mountains, Little Thomas Mountain; Thomas Mountain Road, 0.5 km west summit of peak 1866 Comment
  JEPS20718  Monoptilon bellioides Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13238 Riverside 11.3 mi n Blythe (U. S. 95); Big Maria Mts. Comment
  POM250432  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs. Comment
  RSA696851  Monoptilon bellioides J. R. Bruff 1927-3-12 s.n. Riverside 3 mi. S of Garmet; 8 Palms Comment
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Nov 3 2011
  RSA94164  Monoptilon bellioides F. W. Peirson 1920-2-15 1383 Riverside Neaar Palm Springs, Coachella Valley. Comment
  POM13812  Montia fontana P. A. Munz 1922-5-21 5521 Riverside Hemet Valley, San Jacinto Mts 1387 Comment
  UC219067  Montia fontana P. A. Munz and I. M. Johnston 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  RSA129316  Muhlenbergia asperifolia H. S. Yates 1936-6-28 6370 Riverside 3 miles NW of San Jacinto 457 Comment
  SBBG56964  Muhlenbergia asperifolia M. D. Clary 1928-8-11 70 Riverside Carrizo Crk Comment
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Nov 11 2011
  CLARK-A1528-4754  Muhlenbergia microsperma John C. Roos 1952-4-9 5507 Riverside Riverside 365 Comment
  RSA586811  Muhlenbergia microsperma D. L. Banks, Steve Boyd 1995-5-3 249 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  CAS-BOT-BC275153  Muhlenbergia porteri R. F. Hoover 1966-10-15 10175 Riverside Bighorn Drive, San Jacinto Mountains Comment
  UCR108860  Muilla maritima Heidi A. Haid 1968-4-29 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR213303  Muilla maritima A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37697 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR84604  Muilla maritima Scott D. White 1994-4-21 1953 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA721839  Nama demissa J. R. Bruff 1928-4-2 100 Riverside Canyon 1 mile west of Morengo Comment
  RSA778009  Nama demissa var. demissa Jim Andre 2011-2-9 15920 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA74713  Nama demissa var. deserti F. W. Peirson 1920-2-15 2315 Riverside Palm Springs, Tahquitz Camp. Comment
  SEINET3145433  Nama hispida var. spathulata R. W. Spellenberg, N. Zucker 2001-3-24 13180 Riverside Just N of IH-10 on Hayfield Rd., ca. 30 km W of Desert Center, ca. 5 km E of Chiriaco Summit 440 Comment
  UCR110404  Nama stenocarpa A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23173 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  POM10017  Nassella cernua C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  UC1601383  Nassella cernua Robinson and Crocker 1916-3-29 Riverside grassy foothills Santa Ana Mts. Comment
  CAS-BOT-BC227253  Nassella lepida Scott D. White; Jonathan Campbell 2008-4-18 11898 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area 366 Comment
  RSA431565  Nasturtium officinale N. C. Cooper 1944-5-6 1175 Riverside Whitewater Canyon. 457 Comment
  CLARK-A1528-3447  Navarretia atractyloides John C. Roos 1952-5-26 5724 Riverside Reche Canyon 457 Comment
  UCD48339  Navarretia atractyloides K. Esau 1935-6-15 Riverside Riverside County. Comment
  RSA469877  Navarretia fossalis Christopher Davidson 1977-5-25 5651 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA574753  Navarretia fossalis Steve Boyd, A. C. Sanders 1980-5-19 s.n Riverside San Jacinto Valley, of the San Jacinto River floodplain along the Ramona expressway near Lakeview. Comment
  UCR114959  Navarretia fossalis Fred M. Roberts 1992-4-25 4871 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR88170  Navarretia fossalis Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Rancho del Rio, south of Nuevo Rd. and east of Dunlap Dr. 433 Comment
  SD258496  Nemacaulis denudata var. gracilis J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct, 3 miles S of Grommet RR xing at Hwy 62. (Grommet 7.5'Q) 363 Comment
  SEINET10464925  Nemacladus Wagnon 1944-3-26 WAGNON 362 Riverside Among stones, in sand, open sun all day. Cathedral Canyon, Cathedral City Comment
  SEINET10458398  Nemacladus longiflorus Tilforth 1980-6-17 TILFORTH 2012 Riverside Along Thomas Mountains road, south of Lake Hemet and est of hiway 74 1658 Comment
  RSA0121062  Nemacladus orientalis Duncan S. Bell, Thomas Stoughton 2016-3-16 8949 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA776292  Nemacladus orientalis Duncan S. Bell, Amanda Turek 2010-4-10 833 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  POM11738  Nemacladus ramosissimus P. A. Munz, I. M. Johnston 1922-5-18 5320 Riverside 3 miles south of Murrieta. Comment
  RSA0123278  Nemacladus ramosissimus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8991 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR48383  Nemacladus ramosissimus Steve Boyd 1986-4-22 1770 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  SEINET10461079  Nemacladus rubescens Ira L. Wiggins 1941-3-27 Wiggins 9671 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  UCR208850  Nemacladus rubescens var. tenuis Scott D. White 2001-4-3 8251 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  JEPS15026  Nemacladus sigmoideus H. M. Hall Jun 1901 2046 Riverside Chalk Hill; San Jacinto Mountains 1524 Comment
  SEINET10460920  Nemacladus sigmoideus Raven 1958-5-5 Raven 12890 Riverside Along road just west of Split Rock, Joshua Tree National Monument Comment
  SD7438  Nemophila menziesii unknown Apr 1881 Riverside Temecula Comment
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Nov 29 2010
  UCR163358  Nemophila menziesii O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR140301  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR115348  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside San Bernardino Valley/ upper Santa Ana River region, Corona, SW side of I-15, between Taber and Ontario Streets 277 Comment
  UCR33574  Nicotiana attenuata Sears 1978-3-16 804 Riverside Sonoran (Colorado) Desert, 10 mi north of Blythe along road to Midland. Foothills of Big Maria Mtns. 274 Comment
  UCSB25723  Nicotiana attenuata Gliessman, Stephen 1968-7-17 Riverside Along Little Thomas Mountain Road; 1.5 miles southwest of junction with Highway 74; Little Thomas Mountain 1341 Comment
  UCR166719  Nicotiana clevelandii Scott D. White, Jennifer H. Jones 2005-4-12 10867 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  RSA648308  Nicotiana glauca Mark Hotchkiss 1977-4-12 s.n. Riverside La Loma hills. 0.25 mi. N. of Center St. Comment
  RSA0104454  Nicotiana obtusifolia Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7754 Riverside Morongo Canyon Preserve; collecting in side canyon off of Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 777 Comment
  RSA0108978  Nicotiana obtusifolia Duncan S. Bell, Amanda Bell 2012-1-28 3063 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  SEINET3077688 Image available Nicotiana quadrivalvis Rodney Hendrick 1965-5-2 Riverside 6 mi west Aguanga on Hwy 71. Comment
  UCR116679  Nicotiana quadrivalvis A. C. Sanders, Chet McGaugh 2001-7-26 24471 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR20781  Nicotiana quadrivalvis A. C. Sanders, Steve Boyd 1980-5-2 1387 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  POM14396  Nolina bigelovii Philip A. Munz, D. D. Keck 1922-4-9 4907 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  POM12744  Nolina parryi Philip A. Munz 1922-6-30 5920 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UC197907  Notholaena californica S. B. and W. F. Parish 1882-1 502 A Riverside Agua Caliente, desert slope of San Jacinto Mountain Comment
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Mar 9 2011
  POM307303  Oenothera californica subsp. californica Henry J. Ramsey 1937-5-30 2149 Riverside Santa Rosa Mountains. Comment
  OBI26117  Oenothera deltoides David J. Keil 1976-12-12 11918 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  UCR90165  Oenothera deltoides R. W. Scora 1966-4-1 3005 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  POM200877  Oenothera deltoides subsp. deltoides Carl B. Wolf 1932-4-27 3065 Riverside Colorado Desert, Chuckwalla Valley, 16 mi. east of Desert Center. 122 Comment
  POM355587  Oenothera deltoides subsp. deltoides Malcolm M. Rice 1922-5-5 s.n. Riverside Colorado Desert; White Water. Comment
  UCR41640  Oenothera primiveris A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6030 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA146109  Oenothera primiveris subsp. bufonis Peter H. Raven 1958-2-16 11624 Riverside 4.3 miles south of Rice. Comment
  CAS-BOT-BC427464  Oligomeris linifolia W. L. Jepson 1914-5-21 6059 Riverside Colorado Desert. Indio 7 Comment
  HSC47329  Olneya tesota Richard Spjut, C. E. Edson 1978-5-6 5025 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  RSA654882  Olneya tesota T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 49 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal. 9 Comment
  SFV4437  Olneya tesota D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  UCR128311  Oncosiphon piluliferum Scott D. White, Michael Honer 2003-6-17 9551 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  UCR19729  Opuntia John C. Roos, L. Roos 1952-10-18 5905 Riverside Little San Bernardino Mtns, Hidden Valley campground 1220 Comment
  UCR133373  Opuntia basilaris Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 327 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  RSA592684  Opuntia chlorotica Scott D. White, Duayne Haselfeld 1996-7-2 4268 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SEINET10447237  Opuntia echinocarpa A. Evans 1976-4-13 Evans 5170 Riverside Rocky slopes of santa rosa mtns. Comment
  RSA206499  Orcuttia californica E. W. Lathrop 1969-9-8 7123 Riverside 6 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau Comment
  SD132922  Orcuttia californica var. californica Tim Cass 1979-6-1 207 Riverside Mesa de Buro, Pond A Comment
  SEINET10723433  Oreostemma alpigenum var. andersonii David B. Dunn 1946-8-17 Dunn 2693 Riverside Damp meadow area grassy, near the stream at the camp in Taquitz Valley, San Jacinto Mts. 2438 Comment
  CLARK-A1528-3390  Orobanche cooperi John C. Roos 1949-3-26 4125 Riverside Mecca Comment
  SBBG68734  Orobanche cooperi E. C. Jaeger 1926-2-1 Riverside Salt Crk Wash, near Dos Palmos Comment
  UCR232760  Orobanche parishii W. P. Armstrong, Tom Chester, D. Stith 2008-8-18 1348 Riverside Peninsular Range; San Jacinto Mtns., lower end of Tamarack Valley 2823 Comment
  RSA402100  Orthocarpus purpurascens G. R. Johnstone 1934-3-27 s.n. Riverside Near Wildomar. Inland route to Temecula. Comment
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Dec 11 2011
  RSA619565  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-5-5 2003 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UC1531138  Osmadenia tenella Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 52002 Riverside Mesa de Colorado Santa Rosa Plateau Comment
  RSA593990  Oxalis pes-caprae D. L. Banks, Elizabeth Hedge Banks 1996-5-2 944 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  SBBG15848  Palafoxia arida H. Yokoyama 1953-3-22 141 Riverside Morongo Cyn Comment
  UCR148845  Palafoxia arida Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  UCR166004  Palafoxia arida Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  JOTR38667  Palafoxia arida var. arida Hodges, Stephen R. 2017-2-1 673 Riverside Joshua Tree National Park. Eagle Mountains, South East facing sand ramps near the aqueduct road Comment
  RSA489136  Palafoxia arida var. arida Don Pendleton 1988-5-17 s.n. Riverside Blythe, in a lemon orchard on the mesa W of town. Comment
  UCR43000  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside Vacant lot where an orange grove was recently removed, across the street from 1012 Spruce St. 305 Comment
  POM366030  Panicum urvilleanum Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7808 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  SEINET1909740  Panicum urvilleanum Sarah De Groot, Mark Porter 2006-1 5199 Riverside North foot of San Jacinto Mountains, between Snow Creek and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  UCR100302  Parietaria hespera var. hespera B. G. Pitzer 1997-4-20 3192 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UC56651  Parietaria pensylvanica H. M. Hall May 1901 1884 Riverside se base San Jacinto Mts. Comment
  LA45743  Parkinsonia florida Carl Epling; March 1927 sn Riverside Indio Comment
  RSA0027382  Parkinsonia florida Kristin Forgrave, Sarah J. De Groot 2013-6-4 14 Riverside On Graham Pass Rd 10 mi from Chuckwalla Valley Rd 362 Comment
  UCR167422  Parkinsonia florida John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCSB21098  Parkinsonia florida Dunton, S. 1965-5-9 Riverside Highway 74 approaching Coachella Valley, 3.5 miles south of junction of Highway 74 and 111 304 Comment
  UCR197056  Parthenocissus vitacea A. C. Sanders, D. L. Sanders 2008-9-27 36104 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  POM268769  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  JOTR35015  Pectis papposa var. papposa La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3113 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  JEPS68184  Pectocarya heterocarpa W. L. Jepson 1927-4-12 11647 Riverside Mecca Hills, Painted Canyon 76 Comment
  JOTR30327  Pectocarya heterocarpa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1771 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  SEINET3004966  Pectocarya heterocarpa G. Rink 2011-3-23 10390 Riverside Desert flats north of Blythe, east of the McCoy Mtns 109 Comment
  UCR196380  Pectocarya heterocarpa Naomi Fraga, Lisa Rojas 2005-2-10 1423 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR213394  Pectocarya heterocarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37455 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA524232  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4026 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR89719  Pectocarya platycarpa J. M. Stewart 1991-4-7 784 Riverside Sonoran (Colorado) Desert, Pinto Wash south of Joshua Tree National Monument, Eagle Mountains Comment
  RSA777536  Pectocarya recurvata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 896 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR139715  Pectocarya recurvata B. G. Pitzer 1989-4-16 1306 A Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  UCR177295  Pectocarya recurvata Scott D. White 2003-3-23 8834 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  RSA686751  Pellaea andromedifolia Norman C. Cooper 1944-5-21 1303 Riverside San Jacinto Mountains, West side 915 Comment
  RSA686752  Pellaea andromedifolia Norman C. Cooper 1947-4-5 2032 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM177874  Pellaea andromedifolia var. andromedifolia Marcus E. Jones 1930-3-5 26523 Riverside Glen Ivy Comment
  RSA342567  Pellaea andromedifolia var. andromedifolia R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54071 Riverside San Bernardino Mts: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SDSU12253  Pellaea andromedifolia var. andromedifolia Jeremy Mass, Ryan Jacobson 2000-4-19 Riverside Near Stone Creek, Santa Margarita Ecological Reserve (SDSU), ca.1.5 miles from Southside Field Station along jeep trail going to Northside Field Station. 183 Comment
  JOTR30784  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  POM120637  Pellaea mucronata var. mucronata Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA25155  Pellaea mucronata var. mucronata C. L. Hitchcock 1940-4-12 6043 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA686885  Pellaea mucronata var. mucronata P. A. Munz 1949-4-13 13048 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  UC495186  Pellaea mucronata var. mucronata P. A. Munz 1932-4-24 12393 Riverside Snow Creek Canyon; San Jacinto Mts 457 Comment
  UCR243511  Pellaea mucronata var. mucronata Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA713997  Pennisetum ciliare var. ciliare John Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert: Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10. 12 Comment
  HSC87076  Pennisetum setaceum Dave Hawks 1986-4-17 Riverside Whitewater River Channel, 1 mi. S of Hwy. I-10 and 2 mi. W of Indian Ave. 259 Comment
  LA105726  Pennisetum setaceum Dave Hawks; 1986-4-17 sn Riverside Whitewater River channel, 1 mi S of Hwy I-10 and 2 mi. W of Indian Ave, 259 Comment
  SD144116  Pennisetum setaceum A. C. Sanders, P. MacKay 1994-10-23 15848 Riverside San bernardino Mountains, Whitewater River Canyon, between the trout hatchery & Bonnie Bell, in moist sand near the stream on the canyon bottom 580 Comment
  UC2031360  Pennisetum setaceum Duncan S. Bell with Joella Adkins 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approx. 0.6 air miles SE of Hidden Spring and 0.6 air miles S of The Grotto. Comment
  RSA658973  Pennisetum setaceum Viki Cruz 1983-5-8 14 Riverside Collected above the second waterfall at the base of the east facing slope of Magnesha Canyon, Santa Rosa Mtns. Comment
  SEINET10822135  Pennisetum setaceum Robert F. Thorne 1995-3-29 Thorne 63028 Riverside Transverse Ranges; San Bernadino Mountains region; White Water Canyon. 600 Comment
  RSA785456  Pennisetum villosum T. B. Salvato 2000-8-22 20 Riverside Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  RSA773108  Penstemon californicus Duncan S. Bell, Joy D. England 2010-6-14 1300 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  POM11204  Penstemon centranthifolius Philip A. Munz 1922-6-23 5787 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  RSA297383  Penstemon centranthifolius Larry E. DeBuhr 1972-3-23 512 Riverside Santa Rosa Mts. San Bernardino National Forest. Along forest road 7S02 to Santa Rosa Mt.; loose granite soil. 1646 Comment
  RSA412460  Penstemon centranthifolius N. C. Cooper 1945-5-5 2254 Riverside San Gorgonio Mountains above Banning. 915 Comment
  UCR107743  Penstemon centranthifolius D. L. Banks 1997-5-5 1977 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR24781  Penstemon centranthifolius W. W. Mayhew 1981-5-21 s.n. Riverside San Jacinto Mtns., Garner Valley. 0.5 mi east of Lake Hemet on Thomas Mtn. Road. 1341 Comment
  UCR98770  Penstemon centranthifolius Scott D. White 1996-8-1 4454 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA96996  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mi. west of Palms to Pines Hwy on road to Anza. Comment
  RSA97214  Penstemon centranthifolius R. M. Straw 1953-6-23 472 Riverside North of Fulmor Lake, Idyllwild to Banning Rd. Comment
  SDSU10935  Penstemon clevelandii H. Wedberg 1962-4-20 911 Riverside About 1 mile SE of Pinyon Flats on Road to Palm Springs. 1219 Comment
  NY601213  Penstemon grinnellii var. grinnellii E. K. Balls 1953-8-19 18540 Riverside Mountain Home Springs, Santa Rosa Mountain 1920.2 Comment
  JEPS44390  Penstemon labrosus Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4269 1/2 Riverside e Toro Peak (Santa Rosa Mountains); , e of Toro Peak Comment
  UCR128312  Penstemon rostriflorus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8630 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  SEINET3208893  Penstemon spectabilis G. Goodwin 2012-6-14 3448 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  RSA96912  Penstemon spectabilis R. M. Straw 1953-6-5 448 Riverside 0.3 mi. west of Palms to Pine Hwty, on road to Anza. Comment
  SD140250  Pentagramma triangularis Scott White 1993-4-22 1237 Riverside North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SEINET5767265  Peritoma arborea G. C. Wheeler, J. Wheeler 1969-4-15 s.n. Riverside Deep Canyon Desert Research Area Comment
  JOTR35388  Peritoma arborea var. angustata Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 176 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  POM41473  Perityle emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA0118004  Perityle emoryi Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7624 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA781607  Perityle emoryi Duncan S. Bell 2011-12-30 3041 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR102696  Perityle emoryi B. G. Pitzer 1998-1-24 3379 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR148468  Perityle emoryi S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  CAS-BOT-BC419046  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  CAS-BOT-BC167760  Petalonyx thurberi Marian L. Campbell 1921-3-20 26 a Riverside Palm Springs Comment
  JEPS41230  Petalonyx thurberi F. M. Reed 1917-5-19 3838 Riverside Mesa Sancta of Palm Springs village; Colorado Desert, Mesa Sancta Comment
  RSA101199  Petalonyx thurberi David B. Dunn 1947-7-12 2967 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA445161  Petalonyx thurberi N. R. Zabriskie, W. M. Zabriskie 1971-10-23 452 Riverside near Andreas Canyon Club gate, S Palm Canyon Drive, palm Canyon Drainage, E slope San Jacinto Mtns 168 Comment
  RSA445162  Petalonyx thurberi Jack Rempel 1932-11-13 16122 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  UCD117307  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. 243 Comment
  UCR148787  Petunia parviflora Les Ede 1974-1 s.n. Riverside Sonoran (Colorado) Desert, Blythe, Colorado River Valley 84 Comment
  HSC82749  Peucephyllum schottii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54079 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy. 10 and Whitewater P.O. 610 Comment
  JOTR34023  Peucephyllum schottii La Doux, Tasha, M. Harding 2010-4-7 2910 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  LA203886  Peucephyllum schottii T. Craig; 1932-2-24 1796 Riverside Coachella Valley, Cathedral City Comment
  RSA688851  Peucephyllum schottii Scott D. White, Michael Honer 2003-5-13 9259 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR132750  Peucephyllum schottii Scott D. White 1993-2-5 1045 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR148860  Peucephyllum schottii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  SEINET10842470  Peucephyllum schottii David B. Dunn 1946-3-15 Dunn 2022 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  POM259462  Phacelia ambigua E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA81017  Phacelia ambigua G. R. Campbell 1952-4-6 18405 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  CLARK-A1528-2990  Phacelia campanularia John C. Roos 1947-2-15 3245 Riverside Eagle Mountains Comment
  RSA427708B  Phacelia campanularia Ora M. Clark 1929-2-23 1588 Riverside North Whitewater. Comment
  UCR89879  Phacelia cicutaria var. hispida Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3338 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA593695  Phacelia ciliata Steve Boyd, D. Bramlet 1996-4-19 8631 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  RSA615568  Phacelia ciliata D. Bramlet 1993-4-3 2309 Riverside South Cajalco Benc. the site is located some 61m south of Cajalco Road, at a location 3.2km east of the intersection of Cajalco Road and Sierra Ave. The site is 152m E of the intersection with the Old Monument Peak access road. 451 Comment
  CAS-BOT-BC133964  Phacelia crenulata Mrs. Jos. Clement 1922-4-10 s.n. Riverside Mecca Comment
  RSA0107847  Phacelia crenulata Duncan S. Bell, Amanda Turek 2009-3-30 169 Riverside Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well. 349 Comment
  UCR41275  Phacelia crenulata B. G. Pitzer 1986-2-9 0004 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  JOTR34014  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding 2010-4-7 2901 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC665895  Phacelia crenulata var. minutiflora Ira L. Wiggins 1941-3-27 9669 Riverside about 4 mi ne Desert Center (on road to Rice) Comment
  UC64054  Phacelia curvipes W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1421 Riverside Van Deventers Comment
  RSA444556  Phacelia distans Walter Wisura 1988-3-1 4200 Riverside Black Eagle Mine Rd., just outside the boundry of Josua Tree Natl. Mon., Comment
  RSA543790  Phacelia distans Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6067 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA74949  Phacelia distans F. W. Peirson 1918-03 957 Riverside Field near Indio. Comment
  RSA74951  Phacelia distans F. W. Peirson 1927-4-12 7163 Riverside Painted canyon, near Mecca. Comment
  UC68750  Phacelia distans H. M. Hall Apr. 1905 5794 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR156078  Phacelia distans T. B. Salvato, Kent Beaman 2005-5-16 794 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR20787  Phacelia distans A. C. Sanders, Steve Boyd 1980-5-2 1419 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC881112  Phacelia fremontii K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Hwy near road to Shumay Comment
  UC1979608  Phacelia imbricata subsp. patula D. L. Banks, Victor Steinmann 1995-7-10 0742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  NY57344  Phacelia keckii P. A. Munz 1923-6-14 7056 Riverside Glen Ivy Trail to Santiago Peak 1432.6 Comment
  POM158465  Phacelia minor P. A. Munz 1927-5-20 10827 Riverside 10 miles S. of Hemet. Comment
  RSA524582  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4130 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SJSU11223  Phacelia minor N. D. Addy 1962-4-16 Riverside near Hwy 71, 1 mi S of Alberhill 374 Comment
  UCR21972  Phacelia minor Steve Boyd 1980-3-3 177 Riverside Gavilan Plateau, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCSB10391  Phacelia minor Wedberg, H. 1957-3-22 Riverside Hwy. 71, Alberhill Comment
  RSA480078  Phacelia neglecta Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin 1988-3-10 2163 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  LA205631  Phacelia parishii Philip A. Munz; 1937-5-29 15101 Riverside Shumway, edge of Pinyon Flats, San Rosa Mts 1219 Comment
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Mar 11 2014
  UCSB10392  Phacelia parryi Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  UCR172769  Phacelia ramosissima Abby Sirulnik 2000-5-7 34 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. from Interstate 10 1098 Comment
  SD247291  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 611 Comment
  UCR19277  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1.5 mi. SE of Perris. 427 Comment
  RSA206251  Phlox austromontana Reid V. Moran 1968-8-3 15364 Riverside 1 mile NW of Toro Peak. 2250 Comment
  RSA71998  Phlox austromontana F. W. Peirson 1922-5-20 908 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC540726  Pholistoma membranaceum Sarah J. De Groot; Cheryl Sevilla 2015-2-18 7363 Riverside North fork Mission Creek, SE San Bernardino Mountains, NW of Desert Hot Springs 780 Comment
  UC193878  Pholistoma membranaceum G. R. Vasey Feb. 1881 Riverside Whitewater Comment
  CAS-BOT-BC135111  Phoradendron californicum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JEPS121555  Phoradendron californicum Adam C. Schneider with Will Freyman 2014-2-16 398 Riverside Upper Box Canyon Road. Comment
  POM182068  Phoradendron californicum Philip A. Munz 1932-3-14 11984 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA0093969  Phoradendron californicum A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40510 Riverside Sonoran (Colorado) Desert. Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road. 695 Comment
  RSA420768  Phoradendron californicum P. J. Remple 1942-3-1 s.n. Riverside Colorado Desert. Comment
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Nov 5 2011
  SEINET2054750 Image available Phoradendron californicum Helen Kennedy, T. B. Salvato 2002-2-2 5455 Riverside Western Colorado Desert: Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec 2. Lower end of construction road, downhill from water-tank, behind a house. Full sun. 195 Comment
  UC6076  Phoradendron californicum J. Burtt Davy 1893-3-14 45 Riverside Indio Comment
  UCR137563  Phoradendron densum A. C. Sanders 2004-5-5 27762 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR189647  Phoradendron densum John F. Green 2008-1-18 s.n. Riverside Peninsular Range; Gavilan Hills, 5.5 miles WNW of Perris, c. 0.5 mi. north of Santa Rosa Mine Rd. and 0.75 mi SE of Ida Leona Mine 671 Comment
  UCSB18279  Phoradendron leucarpum subsp. tomentosum Copeland, Jerry 1964-5-9 Riverside Alandale Pines, 19 miles south of Banning, 100 yards off road to Idyllwild Comment
  RSA748157  Phoradendron libocedri K. M. Meyer, A. Townesmith, T. Scott 2007-3-16 17 Riverside San Bernardino National Forest. Next to Lake Fulmor, 17 miles S on Hwy 243 (off I-10). 1632 Comment
  RSA228805  Phoradendron macrophyllum Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 604 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  RSA33894  Phoradendron villosum N. C. Cooper 1943-9-11 896 Riverside East side San Jacinto Mtns. 1372 Comment
  UCR125767  Phoradendron villosum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25655 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  CDA41154  Physalis crassifolia T. C. Fuller 1964-4-14 11832 Riverside Bench above wash of Whitewater Canyon, 3.4 miles north of Whitewater. 0 Comment
  CLARK-A1528-888  Physalis crassifolia Charlotte Stocks 1963-5-26 Riverside La Quinta Comment
  UC1143155  Physalis crassifolia H. S. Yates 1937-3-23 6430 Riverside Painted Canyon; Thermal Quad. 121 Comment
  UC1546690  Physalis crassifolia Barry A. Prigge 1988-2-21 7857 Riverside 2 mi w Clemens Well; Imperial Desert, Orocopia Mountains 228 Comment
  UC987824  Physalis crassifolia Reid Moran 1941-5-5 857 Riverside Cottonwood Pass; Eagle Mts. Comment
  UCR94494  Physalis crassifolia Steve Boyd 1981-2-5 s.n. Riverside Peninsular Range, Gavilan Hills Region, S flank of Monument Peak along abandoned road grade leading SW into Dawson Canyon 549 Comment
  UCR260255  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  RSA0051595  Pinus cembroides var. parryana Elliott Waite 1950-4-30 s.n. Riverside Vanderventer Flats 1524 Comment
  UC1600406  Pinus contorta subsp. murrayana H. M. Hall 2321 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley Comment
  UCR36315  Pinus coulteri R. M. Adams 1982-3-8 62-054 185 Riverside San Jacinto Mtns., in Bay Tree Flats, 1.2 mi south of Vista Grande Ranger Station Comment
  SEINET8059928 Image available Pinus coulteri G. Yatskievych, K. McCrary 1984-7-29 84 -122 Riverside State Route 243, 0.5 mile S of Baby Tree Spring; T4S R2E S17 1585 Comment
  RSA0119891  Pinus monophylla Duncan S. Bell, Thomas Stoughton 2016-4-12 9224 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  CAS-BOT-BC79095  Pinus quadrifolia H. M. Hall 1899-5-23 s.n. Riverside 1 1/2 mi. South of [Van de Henter's] Vandeventer Comment
  LA206305  Pinus quadrifolia A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, 15 mi S of Hurky Comment
  RSA544404  Piptatherum miliaceum Steve Boyd, Timothy S. Ross 1991-6-14 6372 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  CDA22277  Pipturus skottsbergii Carl Yonge 1962-11-2 Riverside Mrs. John Day property, 6582 Mitchell Street, Arlington. 0 Comment
  UCR41373  Pityrogramma triangularis var. triangularis N. M. Fellows 1985-1-5 55 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  SBBG100815  Plagiobothrys arizonicus W. L. Halvorson 1977-3-13 77 -178 Riverside near Temecula Comment
  HSC3760  Plagiobothrys canescens R. A. Eagle 1964-3-28 11 Riverside 5 mi. out of Riverside on the Van Buren St. Comment
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR250122  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-9 40997 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  RSA0042972  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40735 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR38139  Plagiobothrys jonesii J. M. Stewart 1985-3-16 s.n. Riverside Sonoran (Colorado) Desert/Santa Rosa Mtns., Santa Rosa Mtns., Agua Alta Canyon off Martinez Canyon 732 Comment
  UCR166808  Plagiobothrys leptocladus R. E. Riefner Jr. 2005-4-22 05- 241 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  UCR281121  Plagiobothrys leptocladus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 23 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA508002  Plagiobothrys tenellus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2306 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR157674  Plagiobothrys tenellus Scott D. White 1995-3-30 2648 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  CDA41403  Plantago aristata J. W. Gilmore Jun 1923 s.n. Riverside Aguanga. 0 Comment
  POM18171  Plantago bigelovii subsp. californica H. Baer 1922-4-1 s.n. Riverside Elsinore. Comment
  CAS-BOT-BC224912  Plantago erecta A. C. Sanders; T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR103735  Plantago erecta A. C. Sanders, G. Helmkamp 1997-3-15 19983 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCR113136  Plantago erecta A. C. Sanders 1998-3-11 21674 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR91452  Plantago erecta Scott D. White 1995-3-30 2672 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR201605  Plantago major Justin M. Wood 2008-11-17 226 Riverside Southwest Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street bridge 305 Comment
  JEPS22326  Plantago ovata Peter H. Raven 1958-1-24 11460 Riverside Fargo Canyon Comment
  RSA401990B  Plantago patagonica N. C. Cooper 1944-4-21 1138 Riverside Banning. 701 Comment
  UC845486  Platanthera leucostachys I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek 1500 Comment
  UCR120911  Platanus racemosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24951 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  CLARK-A1528-690  Platystemon californicus Annette Price 1962-5-1 O 57 Riverside Santa Ana Mountains Comment
  UC218247  Platystemon californicus P. A. Munz and I. M. Johnston 1922-5-20 5457 Riverside Kenworthy; San Jacinto Mts., Kenworthy 1402 Comment
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Mar 25 2011
  UCR142190  Platystemon californicus June Latting 1979-4-8 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR92151  Platystemon californicus D. L. Banks, Peter L. Morrell 1995-5-4 0311 Riverside Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove Area, north of the Wildhorse Trail, on hills north of Wildhorse Peak. 732 Comment
  JOTR16786  Pleuraphis rigida Baker, James K. & Baker, Ilisa T. 1966-10-20 s.n. Riverside Joshua Tree National Park. RYAN MOUNTAIN WATER STATION 1310 Comment
  JOTR35069  Pleurocoronis pluriseta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3521 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA0043057  Pleurocoronis pluriseta Duncan S. Bell, Evan Meyer 2014-4-1 6484 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 4.5 air miles northwest of Gucci Spring; about 4.5 air miles north of the Bradshaw Trail. 652 Comment
  RSA6624  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon. 762 Comment
  RSA700971  Pleurocoronis pluriseta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11218 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UC729948  Pleurocoronis pluriseta B. D. Stark 1932-6-17 Riverside canyon above Cottonwood Springs; Colorado Desert, Eagle Mts. 304 Comment
  UCR75043  Pleurocoronis pluriseta A. C. Sanders, E. J. Lawlor 1992-4-4 12157 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB17336  Pleurocoronis pluriseta Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
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Mar 1 2014
  SEINET12534743 Image available Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canon, 11 km W of Coachella, Colorado Desert, in the Lower Sonoran Zone. 30 Comment
  JOTR37488  Pluchea sericea Hodges, Stephen R., M. Vamstad 2016-3-22 617 Riverside Joshua Tree National Park. Eagle Mountains, South of Eagle Mine, Buzzard Springs Comment
  POM56713  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore. Comment
  RSA747968  Poa bulbosa Justin M. Wood 2009-5-11 686 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  RSA0013700  Poa bulbosa subsp. vivipara LeRoy Gross, Grace Cho 2013-4-9 5998 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  SEINET1910785  Poa pratensis Scott D. White, Justin M. Wood 2008-1 12268 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  RSA613418  Poa secunda D. L. Banks 1997-4-5 1673 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area., South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA792570  Poa secunda Justin M. Wood 2011-4-4 3390 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  SEINET1909737  Poa secunda Sarah De Groot, Beth Kempton 2006-1 5209 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 658 Comment
  UCD91886  Poa secunda subsp. secunda F. M. Reed 1905-4-2 694 Riverside Box Springs Mountains. 548 Comment
  RSA180479  Polygonum aviculare subsp. aviculare E. W. Lathrop 1960-6-7 4905 Riverside 14 miles west of Murrieta. Comment
  RSA689923  Polypodium californicum Norman C. Cooper 1947-4-5 2033 Riverside Los Alamos Canyon, Elsinore 762 Comment
  SDSU13387  Polypodium californicum Shasta Gaughen, M. G. Simpson 2000-4-1 4 Riverside Intermittent stream bed ca. 200 yards east of Northside Field Station, Santa Margarita Ecological Reserve (SDSU). 305 Comment
  RSA503416  Polypogon interruptus John Olmsted 1962-5-10 3632 Riverside Coldwater Canyon, Corona city water supply, western Riverside County 396 Comment
  RSA129376  Polypogon monspeliensis H. S. Yates 1937-6-27 6706 Riverside Near Relief Hot Spring. 457 Comment
  RSA595273  Polypogon viridis D. L. Banks, Victor Steinmann 1996-4-20 901 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 512 Comment
  POM360762  Populus fremontii H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
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Mar 28 2011
  JEPS35439  Porophyllum gracile W. L. Jepson 1928-4-25 12622 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  RSA0119875  Porophyllum gracile Duncan S. Bell, Thomas Stoughton 2016-4-12 9231 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA783821  Porophyllum gracile J. D. Olmsted 1959-4-17 396 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
  RSA769818  Potamogeton foliosus E. W. Lathrop 1969-6-5 7096 Riverside 6 miles west of Murrieta, Mesa de Colorado of Santa Rosa Plateau. 625 Comment
  RSA797661  Potentilla glandulosa subsp. glandulosa Robert F. Thorne, E. W. Lathrop 1977-5-18 49765 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  RSA776291  Prenanthella exigua Duncan S. Bell, Amanda Turek 2010-4-10 832 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UC667371  Prenanthella exigua Annie M. Alexander and Louise Kellogg 1941-5-23 2221 Riverside 3 1/2 mi ne Cottonwood Spring (Eagle Mts.); Eagle Mts. 1066 Comment
  UCR211500  Proboscidea althaeifolia Jim Andre, T. La Doux 2008-9-13 10267 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along dirt road c. 2 mi. north of Desert Center, 0.5 mi. west of Tamarisk Golf Course/Kaiser Road jct. 234 Comment
  JOTR32425  Prosopis glandulosa var. torreyana La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2213 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  RSA502501  Prosopis glandulosa var. torreyana Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3721 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  SEINET10489767  Prosopis glandulosa var. torreyana A. K. Evans 1976-4-13 Evans 5152 Riverside Desert canyons of Santa Rosa mountains. Comment
  RSA86856  Prunus fremontii F. W. Peirson 1917-4-1 1986 Riverside Fruiting specimen from Tahquitz Canyon, Palm Springs region. Comment
  SD152758  Prunus ilicifolia Steve Boyd, Tim Ross 1992-5-5 7248 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Isolated grassland area south of Oak Flats, southwest of the Bluewater Trail 730 Comment
  CLARK-A1528-2198  Psathyrotes ramosissima John C. Roos 1946-12-7 3180 Riverside Pushawalla Wash Comment
  SDSU21848  Pseudognaphalium biolettii Lindsay Rubin, Stephanie Castillo 2016-4-16 5 Riverside On the north side of the Santa Margarita River at the end of a downhill dirt road under tree coverage. Santa Margarita Ecological Reserve. 238 Comment
  SEINET2054133 Image available Pseudognaphalium californicum D. H. Eslinger 1970-5-29 Riverside 4 mi. E of Riverside, 50 m N of 9725 Pigeon Pass Rd. 365 Comment
  RSA0120470  Pseudognaphalium luteoalbum Duncan S. Bell 2016-4-16 9312 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SD186106  Pseudognaphalium stramineum A. C. Sanders, Mike Misenhelter 2005-6-15 30967 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn. 640 Comment
  RSA660501  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  SD262211  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 37 Riverside Perris-Aguanga Basin: Menifee, SE corner of Musick Rd and Murrieta Rd (Romeland 7.5'Q) 454 Comment
  RSA698727  Psoralea E. Crow 1930-5-17 s.n. Riverside Shaver's Well Comment
  JEPS41710  Psorothamnus arborescens var. simplicifolius M. French Gilman 1931-5-20 Riverside between Palm Springs and Whitewater Comment
  JEPS41716  Psorothamnus arborescens var. simplicifolius W. L. Jepson 1914-5-17 5982 Riverside Summit of Cottonwood Mountains = Lookout Mountain!; Mohave Desert 1219 Comment
  RSA498335  Psorothamnus emoryi Elizabeth A. White 1928-04 s.n. Riverside Road to Mecca beyond Palm Springs. Comment
  RSA5156  Psorothamnus emoryi Carl B. Wolf 1932-4-26 2967 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  UCR177408  Psorothamnus emoryi John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  CAS-BOT-BC340890  Psorothamnus schottii W. R. Dudley 1903-12-25 s.n. Riverside Near Palm Springs Comment
  RSA404257  Psorothamnus schottii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  SBBG24924  Psorothamnus schottii D. Myrick 1966-4-1 1315 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  RSA0062673  Pteridium aquilinum Jack Starnes 1949-5-10 s.n. Riverside Santa Ana Mountains, near Ortega Highway. 1524 Comment
  RSA762186  Pteridium aquilinum var. pubescens Peter Guiden, C. Martinez, N. Fraga, L. McDade 2010-8-14 67 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC421251  Pterostegia drymarioides Geo. B. Grant 1898-3-15 s.n. Riverside Riverside Comment
  RSA769709  Pterostegia drymarioides E. W. Lathrop 1973-6-28 7446 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  RSA778327  Pterostegia drymarioides N. C. Cooper 1944-5-21 1288 Riverside San Jacinto Mountains, West side 915 Comment
  SBBG119974  Pterostegia drymarioides A. C. Sanders with M. Misenhelter 2005-3-23 29257 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UCR19271  Pterostegia drymarioides John C. Roos 1952-3-19 5397 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  RSA450763  Pulicaria hispanica J. C. Roos 1965-8-2 s.n. Riverside Palm Springs: along irrigation ditch on Vista del Chino, between Sunrise Way and Caballeros Ave. 122 Comment
  UCR95483  Purshia stansburyana Steve Boyd, Lorrae Fuentes 1996-5-2 8764 Riverside Peninsular Range; Santa Ana Mtns., Along the Main Divide Road c. 3.5 mi NW of Morrell Potrero Comment
  JOTR31120  Purshia tridentata var. glandulosa La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2503 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  CAS-BOT-BC61823  Quercus agrifolia Samuel B. Parish 1891-11-4 2253 Riverside Murrieta Comment
  UC338414  Quercus agrifolia Greene Jun 1889 Riverside Temecula Canyon Comment
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Mar 27 2011
  UCR174133  Quercus agrifolia A. C. Sanders, T. B. Salvato 2006-6-2 33083 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR94267  Quercus agrifolia Scott D. White 1996-4-14 3914 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA713388  Quercus agrifolia var. oxyadenia R. E. Riefner Jr., A. C. Sanders 2005-8-12 5 -605 Riverside Poppet Flat, tributary to Poppet Creek on Poppet Flat Rd. 1086 Comment
  UCR158908  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31562 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR108845  Quercus berberidifolia Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR272999  Quercus berberidifolia Mitch Provance 2012-9-13 912- 03 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  UCR231039  Quercus chrysolepis A. C. Sanders, Kent Beaman 2011-9-27 39917 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  SEINET5466872 Image available Quercus chrysolepis Richard Carter 1984-12-18 3860 Riverside 1.1 mi NE of Anza on Hwy 371. Canyon at 4-000ft elev. 0 Comment
  HSC101769  Quercus cornelius-mulleri J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13184 Riverside Along State Route 74 1227 Comment
  UC1010215  Quercus cornelius-mulleri John C. Roos 1946-9-14 3018 Riverside e of Asbestos Mtn.; Santa Rosa Mts., Dos Palmos Spring 1066 Comment
  UC5842  Quercus engelmannii Samuel B. Parish 1891-11-3 2257 Riverside near Murietta Comment
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Jul 15 2009
  UCR273964  Quercus engelmannii Mitch Provance 2012-4-27 412- 32 B Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  SJSU10151  Quercus kelloggii A. W. Jacobs 1938-8-1 Riverside Mt Tahquitz trail near Keen Ranger Station 1409 Comment
  UC729494  Quercus kelloggii Carl B. Wolf 1932-8-6 Riverside base of Devil's Slide Trail to Tahquitz Valley San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR165612  Quercus kelloggii T. B. Salvato, John F. Green 2004-5-27 709 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  JEPS37574  Rafinesquia neomexicana W. L. Jepson 1927-4-14 11705 Riverside se end Santa Rosa Mts.; , Silent Canyon 304 Comment
  JOTR35148  Rafinesquia neomexicana La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3260 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA688847  Rafinesquia neomexicana Scott D. White, Michael Honer 2003-5-13 9246 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  SEINET197528  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles north east of Cottonwood Springs. 853 Comment
  UCR116619  Rafinesquia neomexicana A. C. Sanders 2001-4-8 23975 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UC56754  Ranunculus californicus H. M. Hall Apr. 1902 2889 Riverside Coahuilla Comment
  POM273399  Raphanus sativus Lyman Benson 1932-3-26 3160 Riverside 3 miles N [of] Temecula. 457 Comment
  UCR23192  Raphanus sativus P. Tomlinson 1981-5-15 17 Riverside City of Riverside, University of California property South of Pennsylvania Ave. (now Martin Luther King Blvd) and east of Chicago Ave. Along the water canal (now mostly dry) 0.1 mi. south of Pennsylvania Ave. Comment
  UCR100031  Rhamnus crocea A. C. Sanders, G. Helmkamp 1997-3-15 19976 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  HSC86869  Rhamnus ilicifolia E. Misquez 1987-4-11 12 Riverside Santa Ana Mtns., Walker Basin; 2 miles on Avenida de Oro from jct. with Rancho California Rd., and 4.7 miles W of Interstate 15 415 Comment
  LA207801  Rhamnus ilicifolia A. H. Lange; 1951-5-26 sn Riverside San Jacinto Mountains Comment
  RSA0120131  Rhamnus ilicifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9271 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR240648  Rhamnus ilicifolia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 415 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR174540  Rhamnus tomentella Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 359 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  JOTR34486  Rhus aromatica Andre, Jim 2012-4-16 20970 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UCR103914  Rhus aromatica B. G. Pitzer 1997-4-11 3103 Riverside Lakeview Mountains, Pulsar View Road, c. 0.5 mi. (air) SSE of Mt. Rudolph. 640 Comment
  CLARK-A1528-5596  Rhus integrifolia John C. Roos 1950-2-18 4707 Riverside Box Springs Mountains 774 Comment
  UCR26962  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  RSA248050  Rhus ovata R. F. Thorne, C. W. Tilforth 1973-5-30 43575 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
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Jul 19 2015
  SD144093  Rhus ovata A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19859 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UC1130538  Rhus ovata R. St. John 1929-4-28 22 Riverside Old Nicholas Canyon; Santa Rosa Mountains 1280 Comment
  SD140166  Rhus trilobata Scott White 1993-3-15 1193 Riverside Elsinore, Highway 74, just west of northwest corner of Lake Elsinore Comment
  CAS-BOT-BC93063  Ribes californicum var. hesperium Carl B. Wolf 1932-2-11 2642 Riverside Hidden Canyon, 5 miles west of Corona. Santa Ana Mountains. Base of Skyline Drive. 405 Comment
  CAS-BOT-BC108720  Ribes cereum Philip A. Munz 1937-5-30 15142 Riverside Santa Rosa Peak. 2438 Comment
  RSA612841  Ribes indecorum D. L. Banks 1997-3-1 1375 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR178148  Ribes indecorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1020 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UCR35282  Ribes indecorum L. B. Ziegler 1968-1-15 264 Riverside San Jacinto Mtns, In Avery Canyon (Diamond Valley) 503 Comment
  RSA489177  Ribes indecorum B. Pitzer, A. C. Sanders 1987-4-21 492 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  UC1127274 Image available Ribes malvaceum A. Lewis 1934-3-4 311 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle Comment
  UCSB2632  Ribes malvaceum var. viridifolium Keator, Glenn Riverside on Mt San Jacinto; on highway from Palm Desert to Riverside 914 Comment
  HSC86125  Ribes nevadense Jane Hildreth 1981-6-4 23 Riverside San Jacinto Mtns., San Bernardino National Forest, Bay Tree Springs along Hwy. 243, 12 mi. S of Banning 1646 Comment
  UCR25403  Ribes quercetorum John C. Roos 1948-5-22 3864 Riverside Pass at the top of Reche Canyon 732 Comment
  LA205506  Ribes roezlii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  CAS-BOT-BC186240  Ribes roezlii var. roezlii Peter H. Raven 1962-5-18 17758 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains 1615 Comment
  UCR230928  Ricinus communis T. B. Salvato, Richard Camacho 2011-6-12 5482 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  RSA658886  Ricinus communis Douglas A. Springer 1981-2-16 10 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  LA46160  Romneya coulteri W. Pequegnat; May 1927 sn Riverside Santa Ana Mountains, Glen Ivy Trail Comment
  RSA575821  Romneya coulteri Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  SD187383  Rorippa nasturtium-aquaticum Scott D. White, Angelia Carey 2004-5-7 10316 Riverside Indian Creek and adjacent foothills. 548 Comment
  UCR155079  Rorippa nasturtium-aquaticum A. C. Sanders, Kelly Volansky 2005-3-17 29229 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR95251  Rorippa nasturtium-aquaticum D. L. Banks, E. H. Banks 1996-5-2 950 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  POM12902  Rosa californica Philip A. Munz 1922-6-30 5901 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA575842  Rosa californica Steve D. Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  SEINET239057 Image available Rostraria cristata Mitch Provance 1998-3-20 174 B Riverside Riverside area: Jurupa Mtns. pass west of Rattlesnake Mtn. along the E side of Armstrong Rd. ca. 1/8 mi. S of the San 313 Comment
  UC12971  Rubus parviflorus Harley P. Chandler 1897-7-23 Riverside Deep Creek San Bernardino Mts., Deep Creek 1524 Comment
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Nov 26 2011
  UCR25086  Rumex acetosella A. C. Sanders 1980-7-22 1720 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  UCR97506  Rumex hymenosepalus Michael D. Wilcox 1997-1-8 s.n. Riverside In a vineyard c. 2.5 air mi. west of Glen Avon, just east of San Bernardino County line at Milliken Ave. & just south of Riverside Dr. 241 Comment
  RSA0105833  Rumex salicifolius Alan Romspert 2000-7-28 s.n. Riverside Half way between Market St. and Riverside Ave. Bridges. Comment
  UCR21005  Rumex salicifolius var. denticulatus A. C. Sanders 1980-5-2 1447 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SD136842  Rupertia physodes Steve Boyd, Time Ross 1992-5-15 7401 Riverside San Mateo Canyon Wilderness Area; major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails. 671 Comment
  UCR264230  Salazaria mexicana A. C. Sanders, Jim Malusa 2015-9-10 41857 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  SEINET10626255  Salix Nye Leith, Greg Gust 2005-3-11 Nye 66 Riverside BM 2228 ca. 4 miles W of Murrieta. 453 Comment
  UCR50421  Salix L. F. LaPre, S. J. Myers 1988-2-18 s.n. Riverside Peninsular Range, 1/2 mi. SE of Tule Springs within boundaries of Anza-Borrego State Park 1131 Comment
  CAS-BOT-BC103904  Salix exigua Frank W. Peirson 1933-4-15 10650 Riverside Whitewater River, 4 1/2 miles above the bridge 701 Comment
  LA208613  Salix exigua var. exigua Marcus E. Jones; 1930-3-15 26531 Riverside Eagle Mountains Comment
  CAS-BOT-BC108114  Salix gooddingii Ivan Johnston 1917-4-4 1056 Riverside Palm Canyon - Colorado Desert 457 Comment
  POM186278  Salix gooddingii C. Epling, Joseph A. Ewan 1933-5-12 7606 Riverside South shore Lake Elsinore. Comment
  RSA650123  Salix gooddingii David B. Dunn 1948-3-13 3742 Riverside Pushawalla Canyon. Comment
  SBBG29080  Salix gooddingii C. B. Wolf 1932-4-28 3085 Riverside back of Colorado River, ca. 800 m from State Inspection Station, on way to Blythe Bridge 90 Comment
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Mar 26 2011
  SD1038  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside overflow land back of Colorado River, about 800 m from state inspection station, on way to Blyth Bridge 89 Comment
  RSA0038297  Salix gooddingii Norman C. Cooper 1943-9-26 931 Riverside Cabazon 548 Comment
  POM2054  Salix laevigata I. M. Johnston 1918-5-30 1997 Riverside Temescal Canyon 366 Comment
  UC5016  Salix lasiandra subsp. lasiandra H. M. Hall 1906-7-20 2510 Riverside Strawberry Creek San Jacinto Mts., Strawberry Creek 1584 Comment
  POM319278  Salix lasiolepis Patricia Wilder 1972-2-18 5355 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  RSA775607  Salsola paulsenii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 1000 Riverside Iron Mountains, on southwest side of mountains in wash 423 Comment
  UCR109570  Salsola paulsenii R. D. Goeden, Don W. Ricker 1979-3-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  RSA450977  Salsola tragus Stephen M. Beckstrom-Sternberg 1985-9-10 1025 Riverside U.C.R. garden plots. Comment
  RSA0094963  Saltugilia australis A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 s.n. Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  RSA0095103  Saltugilia australis N. C. Cooper 1944-5-20 1282 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  RSA628607  Saltugilia australis H. A. Haid 1968-1 s.n. Riverside San Jacinto Mountains: Bautisa Canyon, above the confluence with Horse Creek 878 Comment
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May 21 2016
  SBBG28434  Saltugilia australis D. Myrick 1964-4-30 834 Riverside Palms to Pines Hwy 74, 12 mi W of Palm Desert 1066 Comment
  CAS-BOT-BC489623  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 mi SE of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Rd in vicinity of water tank 487 Comment
  JOTR29605  Saltugilia latimeri Andre, Jim 2006-4-26 6762 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR21176  Salvia apiana Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR178541  Salvia apiana var. compacta R. G. Swinney 1967-5-26 147 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA411380  Salvia carduacea C. Epling 1932-5-28 s.n. Riverside Perris-Hemet. Comment
  UC2030038  Salvia clevelandii James Henrickson 1979-4-7 17816 Riverside ca. 18 miles NW of Borrego Springs, SE of Terwilliger, in upper Coyote Canyon, north of Fig Tree Canyon. Comment
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Apr 13 2017
  CSUSB1061  Salvia columbariae J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  CSUSB1062  Salvia columbariae Kheng Try Seng 1966-3-27 660327 11 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  RSA180506  Salvia columbariae E. W. Lathrop 1960-5-27 5226 Riverside 6 miles west of Murrieta. Comment
  UCR226068  Salvia columbariae A. C. Sanders, T. B. Salvato 2011-4-1 38962 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR250121  Salvia columbariae A. C. Sanders 2014-4-23 41056 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  JOTR32356  Salvia dorrii var. pilosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2471 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (Stop 3) Comment
  UCR17967  Salvia eremostachya A. C. Sanders 1976-4-20 0847 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  POM50386  Salvia mellifera W. W. Eggleston 1924-3-10 19538 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  SEINET12872696  Salvia mellifera A. Sanders, Crain, J. 2015-4-3 41557 Riverside Santa Ana Mountains Comment
  UC883956  Salvia mellifera I. W. Clokey and B. C. Templeton 1930-4-9 4715 Riverside Moreno Grade 700 Comment
  CLARK-A1528-4964  Salvia mohavensis John C. Roos 1947-2-15 3234 Riverside Eagle Mountains Comment
  UCLA69827  Salvia mohavensis C. Epling and Wm. Robison 1933-6-27 Riverside 5 mi s Gold Coin Mine; Little San Bernardino Mts. Comment
  SD241882  Salvia pachyphylla Jay Walker, R. C. Walker 2004-4-15 3095 Riverside Santa Rosa Mtn., 7.3 miles up Santa Rosa Mtn truck trail from jct with hwy 74. Comment
  UC883881  Salvia pachyphylla P. A. Munz 1922-6-25 5813 Riverside road from Vandeventer to Santa Rosa; Santa Rosa Mts. 1524 Comment
  SEINET2076829  Salvia pachyphylla S. Rhodes, L. Brandt, R. Taylor, M. Hansen 1999-1 Riverside Comment
  UCR88432  Salvia vaseyi A. C. Sanders, K. C. Rose 1995-4-5 16346 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR138914  Sambucus mexicana Julie A. Greene 1993-4-3 1083 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Old agricultural field, east of dirt road 441 Comment
  UCR174520  Sambucus mexicana A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32495 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA180500  Sanicula arguta E. W. Lathrop 1964-5-10 5363 Riverside 10 miles west of Murrieta. 610 Comment
  RSA5004  Sanicula arguta Dorothy R. Wolf 1932-3-20 4 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  RSA359518  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR29260  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 01358 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  SEINET238555 Image available Sarcodes sanguinea George K. Helmkamp 1998-6-27 4128 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  JOTR29559  Sarcostemma hirtellum Andre, Jim, Tasha LaDoux 2006-4-11 6733 Riverside Joshua Tree National Park. Along Pinto Basin Rd (paved) in Wilson Canyon 857 Comment
  UCR214864  Sarcostemma hirtellum A. C. Sanders 2010-3-23 37526 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  LA105131  Saxifraga Frank C. Vasek; 1987-7-14 Riverside San Jacinto Mountains, San Jacinto Mountains, Vista Grande Road (3S08) 1.0 mi E of Banning-Idyllwild Road (SH243) 1523 Comment
  JOTR30117  Schismus arabicus La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1683 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  SD240813  Schismus arabicus Dave Silverman 2010-3-24 7832 Riverside South Palen Lake, Chuckwalla Valley, 4.3 lm SE of Sidewinder Well, 2.0 km SW of Palen Dunes Drive, and 4.6 km N of Interstate 10. 130 Comment
  SEINET8043499 Image available Schismus arabicus Duncan S. Bell, Evan Meyer 2014-1 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern sectin of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  CAS-BOT-BC243463  Schismus barbatus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4046 Riverside Vail Lake area, lower lsopes of Aqua Tibia Mtn., along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  CLARK-A1528-922  Schismus barbatus Patricia A. Andrews 1975-3-13 5900 Riverside Rubidoux Comment
  SEINET229293 Image available Schismus barbatus L. M. Shultz, JS Shultz 1985-4-17 8299 Riverside Palo Verde Valley washes north of Blythe at the southern extension of the Big Maria Mountains 91 Comment
  UCD93259  Schismus barbatus Peter Kamb 1948-4-11 893 Riverside Lower Sonoran Zone. Aqueduct Road 5 mi east of Garnet, Coachella Valley. 304 Comment
  RSA85530  Schismus barbatus Baker 1954-4-13 s.n. Riverside San Gorgonio Pass 366 Comment
  RSA653173  Schoenoplectus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  CAS-BOT-BC111477  Schoenoplectus americanus Joseph Cook (Rev.) Nevin 1882-1-1 128 Riverside Temecula Comment
  UCR121818  Schoenoplectus americanus A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24600 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA366085  Schoenoplectus maritimus Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  RSA180426  Scirpus microcarpus E. W. Lathrop 1965-5-7 5715 -B Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  UCR264634  Scirpus microcarpus Mitch Provance 2012-6-19 196- 01 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  SBBG54856  Scrophularia californica D. Keil, M. McLeod 1977-3-26 12023 Riverside 0.7 mi W of jct with Riverside Country Rd R-3 (to Hemet) along St Hwy 79 Comment
  UCR240997  Scrophularia californica Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 17 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  SDSU7996  Scutellaria F. Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mtns. Comment
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Jan 24 2013
  RSA249827  Scutellaria antirrhinoides Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38090 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
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Jun 7 2015
  UCR147743  Scutellaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11258 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  RSA247367  Scutellaria siphocampyloides Gary D. Wallace 1966-7-3 645 Riverside San Jacinto Mountain: Thomas Mountain, southeast of Idyllwild. Comment
  RSA761228  Scutellaria siphocampyloides Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 729 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR9252  Scutellaria siphocampyloides D. H. Wilken 1965-6-29 395 Riverside San Jacinto Mtns, near Keen Camp Summit along County Route 1 1524 Comment
  CAS-BOT-BC69802  Selaginella bigelovii L. R. Abrams 1926-3-25 11041 Riverside Between Banning and Cabazon. Comment
  RSA192258  Selaginella bigelovii Earl W. Lathrop 1960-4-28 4769 b Riverside 14 miles west of Murrieta Comment
  RSA559463  Selaginella bigelovii Steve Boyd, T. S. Ross 1992-5-4 7204 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UC306711  Selaginella bigelovii I. M. Johnston 1918-4-3 1825 Riverside San Jacinto Canyon; San Jacinto Mts. 685 Comment
  UC813068  Selaginella watsonii P. A. Munz 1922-6-27 5869 Riverside Toro Peak; Santa Rosa Mts. 2529 Comment
  RSA522761  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3868 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA0012732  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3236 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek. 488 Comment
  JOTR36097  Senecio flaccidus var. douglasii La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3374 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (STOP3). 1362 Comment
  UCR19257  Senecio flaccidus var. monoensis John C. Roos 1947-11-1 3757 Riverside Sonoran (Colorado) Desert, Eagle Mtns, Lost Palms Canyon 976 Comment
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  CLARK-A1528-292  Senecio vulgaris J. D. Jacobi 1970-4-30 O 430 -6 Riverside Lakeview 274 Comment
  JOTR31960  Senna armata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2196 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash Comment
  RSA0023063  Senna armata John F. Emmel 1995-4-21 1365 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 579 Comment
  SDSU17478  Senna artemisioides Jerry Jenkins 2001-3-30 2001 -002 Riverside Santa Margarita Ecological Reserve. Fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  SEINET2063690 Image available Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside Near Oasis in the lower Coachella Valley on E side of Hwy 195, ca 1/2 mi N of intersection with Hwy 86, just N of Ave. 76 -51 Comment
  POM767  Sesuvium verrucosum I. M. Johnston, P. Munz 1918-5-27 2165 Riverside Lake Elsinore. Comment
  SEINET13709268  Sidalcea malviflora J. Adams, J. Adams (Botany) 1966-1 751 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  UCSB42253  Sidalcea neomexicana Roos, John 1966-5-19 Riverside 3 miles west of San Jacinto, San Jacinto Valley Comment
  RSA543888  Silene antirrhina Steve Boyd 1991-5-20 6262 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  UCR214319  Silene antirrhina A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38395 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UC1979563  Silene gallica Darin L. Banks, Steve Boyd 1995-5-9 395 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  RSA525700  Silene laciniata subsp. major Steve Boyd, Timothy S. Ross 1990-5-11 4638 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA438870  Silene verecunda subsp. platyota M. B. Dunkle 1933-7-19 3678 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA748381  Silene verecunda subsp. platyota Justin M. Wood, Brandy Wood 2009-6-13 893 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  CLARK-A1656-720  Simmondsia chinensis Theo Glenn 1981-3-14 Riverside San Jacinto Mountains Comment
  POM118278  Simmondsia chinensis Philip A. Munz 1941-10 17240 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  RSA23644  Simmondsia chinensis Percy C. Everett 1939-7-7 9525 Riverside 3 mi. N of Temmecula-Aguaga Rd. on road to Hemet. 762 Comment
  UC667349  Simmondsia chinensis Annie M. Alexander and Louise Kellogg 1941-5-12 2159 Riverside road to Black Eagle Mine (Eagle Mountains); Colorado Desert, Eagle Mountains 777 Comment
  JOTR31126  Sisymbrium altissimum La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2508 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  SDSU14023  Sisymbrium altissimum Kimberly O'Connor 2000-4-29 23 Riverside Santa Margarita Ecological Reserve (SMER), research station at north side of reserve, ca. 2.75 miles northeast of Gavilan Mtn. 351 Comment
  RSA431719  Sisymbrium altissimum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CDA3869  Sisymbrium erysimoides Carl Yonge, L. Davis 1975-1-23 Riverside 2173 Mt. Vernon Avenue, Riverside. 0 Comment
  UCR41353  Sisymbrium irio N. M. Fellows, A. C. Sanders 1985-4-9 127 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR25983  Sisymbrium orientale John C. Roos 1952-4-9 5471 Riverside Riverside, E base of Mt. Rubidoux 274 Comment
  UC519980  Solanum americanum Louis C. Wheeler 1933-7-27 2041 Riverside Santa Ana River at Chino Creek Santa Ana River; Santa Ana River. Chino Creek 152 Comment
  UCR174251  Solanum americanum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32499 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  SD148056  Solanum elaeagnifolium A./C. Sanders, M. Elvin, V. Joshi 2002-4-26 25026 Riverside The Badlands: west fork of Laborde Canyon near old rocket test facility, along road 189 Comment
  UCR51549  Solanum rostratum J. Freeman 1988-5-29 s.n. Riverside Santa Ana River Valley, 0.25 mi. south of River Road, near Corona/Norco 274 Comment
  CAS-BOT-BC157236  Solanum umbelliferum J. T. Howell 1930-5-10 4793 Riverside St. John's Grade Comment
  CHSC1937  Solanum umbelliferum E. Thomas 1939-11-1 Riverside Temescal Canyon. Comment
  RSA0115999  Solanum umbelliferum Daphne K. Christopher, Hannah Stevens 2003-4-4 99 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA427328  Solanum umbelliferum Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  RSA575822  Solanum umbelliferum Steve D. Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 610 Comment
  RSA80383  Solanum umbelliferum F. W. Peirson 1922-4-29 4487 Riverside Leach Canyon. (base of Santa Ana Mts., near Elsinore) 534 Comment
  RSA0030774  Solanum umbelliferum M. V. Hood 1945-3-26 s.n. Riverside Aguanga. 610 Comment
  SJSU7616  Solanum xanti G. B. Youngberg 1956-3-27 171 Riverside hills near La Sierra college, Arlington 228 Comment
  CLARK-A1528-5393  Solidago occidentalis John C. Roos 1951-9-25 5282 Riverside Riverside 259 Comment
  RSA786086  Solidago velutina subsp. californica J. D. Olmsted 1959-11-28 1090 Riverside E Fork of Snow Creek above dropoff; Mt. range: San Jacinto Mts; drainage area: Snow Creek-Whitewater River. 899 Comment
  SDSU13647  Solidago velutina subsp. californica W. Miller, C. Mosse 1972-7-5 Riverside